Home / 134,730.90-185,930.10-74,301.66

Finding the Fourth Proportional to 134,730.90, 185,930.10 and 74,301.66

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Solution

The fourth proportional to 134,730.90, 185,930.10 and 74,301.66 is: 102,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730.90 : 185,930.10 = 74,301.66 : x
  2. Step 2: Convert to fraction form
    134,730.90/185,930.10 = 74,301.66/x
  3. Step 3: Cross multiply
    134,730.90x = 185,930.10 × 74,301.66
  4. Step 4: Simplify right side
    134,730.90x = 13,814,915,073.97
  5. Step 5: Solve for x
    x = 13,814,915,073.97/134,730.90
  6. Step 6: Final answer
    x = 102,537.09

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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.