Home / 126,382,403.10-189,573,604.65-88,087,158.30

Finding the Fourth Proportional to 126,382,403.10, 189,573,604.65 and 88,087,158.30

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Solution

The fourth proportional to 126,382,403.10, 189,573,604.65 and 88,087,158.30 is: 132,130,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,382,403.10 : 189,573,604.65 = 88,087,158.30 : x
  2. Step 2: Convert to fraction form
    126,382,403.10/189,573,604.65 = 88,087,158.30/x
  3. Step 3: Cross multiply
    126,382,403.10x = 189,573,604.65 × 88,087,158.30
  4. Step 4: Simplify right side
    126,382,403.10x = 16,699,000,122,306,166
  5. Step 5: Solve for x
    x = 16,699,000,122,306,166/126,382,403.10
  6. Step 6: Final answer
    x = 132,130,737.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.