Home / 134,612.39-185,766.32-74,185.19

Finding the Fourth Proportional to 134,612.39, 185,766.32 and 74,185.19

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Solution

The fourth proportional to 134,612.39, 185,766.32 and 74,185.19 is: 102,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612.39 : 185,766.32 = 74,185.19 : x
  2. Step 2: Convert to fraction form
    134,612.39/185,766.32 = 74,185.19/x
  3. Step 3: Cross multiply
    134,612.39x = 185,766.32 × 74,185.19
  4. Step 4: Simplify right side
    134,612.39x = 13,781,109,001.43
  5. Step 5: Solve for x
    x = 13,781,109,001.43/134,612.39
  6. Step 6: Final answer
    x = 102,376.23

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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.