Home / 134,720.85-185,910.51-74,294.05

Finding the Fourth Proportional to 134,720.85, 185,910.51 and 74,294.05

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Solution

The fourth proportional to 134,720.85, 185,910.51 and 74,294.05 is: 102,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.85 : 185,910.51 = 74,294.05 : x
  2. Step 2: Convert to fraction form
    134,720.85/185,910.51 = 74,294.05/x
  3. Step 3: Cross multiply
    134,720.85x = 185,910.51 × 74,294.05
  4. Step 4: Simplify right side
    134,720.85x = 13,812,044,354.00
  5. Step 5: Solve for x
    x = 13,812,044,354.00/134,720.85
  6. Step 6: Final answer
    x = 102,523.44

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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.