Home / 99,495.30-137,306.14-54,175.20

Finding the Fourth Proportional to 99,495.30, 137,306.14 and 54,175.20

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Solution

The fourth proportional to 99,495.30, 137,306.14 and 54,175.20 is: 74,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,495.30 : 137,306.14 = 54,175.20 : x
  2. Step 2: Convert to fraction form
    99,495.30/137,306.14 = 54,175.20/x
  3. Step 3: Cross multiply
    99,495.30x = 137,306.14 × 54,175.20
  4. Step 4: Simplify right side
    99,495.30x = 7,438,586,945.39
  5. Step 5: Solve for x
    x = 7,438,586,945.39/99,495.30
  6. Step 6: Final answer
    x = 74,763.20

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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.