Home / 99,397.68-137,123.60-59,088.57

Finding the Fourth Proportional to 99,397.68, 137,123.60 and 59,088.57

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Solution

The fourth proportional to 99,397.68, 137,123.60 and 59,088.57 is: 81,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,397.68 : 137,123.60 = 59,088.57 : x
  2. Step 2: Convert to fraction form
    99,397.68/137,123.60 = 59,088.57/x
  3. Step 3: Cross multiply
    99,397.68x = 137,123.60 × 59,088.57
  4. Step 4: Simplify right side
    99,397.68x = 8,102,437,141.81
  5. Step 5: Solve for x
    x = 8,102,437,141.81/99,397.68
  6. Step 6: Final answer
    x = 81,515.35

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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.