Home / 134,781.24-186,000.27-74,350.80

Finding the Fourth Proportional to 134,781.24, 186,000.27 and 74,350.80

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Solution

The fourth proportional to 134,781.24, 186,000.27 and 74,350.80 is: 102,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,781.24 : 186,000.27 = 74,350.80 : x
  2. Step 2: Convert to fraction form
    134,781.24/186,000.27 = 74,350.80/x
  3. Step 3: Cross multiply
    134,781.24x = 186,000.27 × 74,350.80
  4. Step 4: Simplify right side
    134,781.24x = 13,829,268,874.72
  5. Step 5: Solve for x
    x = 13,829,268,874.72/134,781.24
  6. Step 6: Final answer
    x = 102,605.29

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1.5x scale

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.