Home / 126,021.65-173,909.78-69,433.02

Finding the Fourth Proportional to 126,021.65, 173,909.78 and 69,433.02

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Solution

The fourth proportional to 126,021.65, 173,909.78 and 69,433.02 is: 95,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.65 : 173,909.78 = 69,433.02 : x
  2. Step 2: Convert to fraction form
    126,021.65/173,909.78 = 69,433.02/x
  3. Step 3: Cross multiply
    126,021.65x = 173,909.78 × 69,433.02
  4. Step 4: Simplify right side
    126,021.65x = 12,075,080,885.77
  5. Step 5: Solve for x
    x = 12,075,080,885.77/126,021.65
  6. Step 6: Final answer
    x = 95,817.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.