Home / 134,612.43-185,766.39-74,185.23

Finding the Fourth Proportional to 134,612.43, 185,766.39 and 74,185.23

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Solution

The fourth proportional to 134,612.43, 185,766.39 and 74,185.23 is: 102,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612.43 : 185,766.39 = 74,185.23 : x
  2. Step 2: Convert to fraction form
    134,612.43/185,766.39 = 74,185.23/x
  3. Step 3: Cross multiply
    134,612.43x = 185,766.39 × 74,185.23
  4. Step 4: Simplify right side
    134,612.43x = 13,781,122,368.42
  5. Step 5: Solve for x
    x = 13,781,122,368.42/134,612.43
  6. Step 6: Final answer
    x = 102,376.30

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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.