Home / 99,689.43-149,490.40-37,316.19

Finding the Fourth Proportional to 99,689.43, 149,490.40 and 37,316.19

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Solution

The fourth proportional to 99,689.43, 149,490.40 and 37,316.19 is: 55,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,689.43 : 149,490.40 = 37,316.19 : x
  2. Step 2: Convert to fraction form
    99,689.43/149,490.40 = 37,316.19/x
  3. Step 3: Cross multiply
    99,689.43x = 149,490.40 × 37,316.19
  4. Step 4: Simplify right side
    99,689.43x = 5,578,412,169.58
  5. Step 5: Solve for x
    x = 5,578,412,169.58/99,689.43
  6. Step 6: Final answer
    x = 55,957.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.