Home / 133,069.10-199,603.65-126,508.10

Finding the Fourth Proportional to 133,069.10, 199,603.65 and 126,508.10

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Solution

The fourth proportional to 133,069.10, 199,603.65 and 126,508.10 is: 189,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,069.10 : 199,603.65 = 126,508.10 : x
  2. Step 2: Convert to fraction form
    133,069.10/199,603.65 = 126,508.10/x
  3. Step 3: Cross multiply
    133,069.10x = 199,603.65 × 126,508.10
  4. Step 4: Simplify right side
    133,069.10x = 25,251,478,514.57
  5. Step 5: Solve for x
    x = 25,251,478,514.57/133,069.10
  6. Step 6: Final answer
    x = 189,762.15

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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.