Home / 134,630.11-185,781.97-74,200.57

Finding the Fourth Proportional to 134,630.11, 185,781.97 and 74,200.57

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Solution

The fourth proportional to 134,630.11, 185,781.97 and 74,200.57 is: 102,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,630.11 : 185,781.97 = 74,200.57 : x
  2. Step 2: Convert to fraction form
    134,630.11/185,781.97 = 74,200.57/x
  3. Step 3: Cross multiply
    134,630.11x = 185,781.97 × 74,200.57
  4. Step 4: Simplify right side
    134,630.11x = 13,785,128,069.72
  5. Step 5: Solve for x
    x = 13,785,128,069.72/134,630.11
  6. Step 6: Final answer
    x = 102,392.61

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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.