Home / 99,358.30-137,116.07-54,037.18

Finding the Fourth Proportional to 99,358.30, 137,116.07 and 54,037.18

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Solution

The fourth proportional to 99,358.30, 137,116.07 and 54,037.18 is: 74,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,358.30 : 137,116.07 = 54,037.18 : x
  2. Step 2: Convert to fraction form
    99,358.30/137,116.07 = 54,037.18/x
  3. Step 3: Cross multiply
    99,358.30x = 137,116.07 × 54,037.18
  4. Step 4: Simplify right side
    99,358.30x = 7,409,365,755.48
  5. Step 5: Solve for x
    x = 7,409,365,755.48/99,358.30
  6. Step 6: Final answer
    x = 74,572.19

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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.