Home / 138,172.92-207,258.88-59,235.96

Finding the Fourth Proportional to 138,172.92, 207,258.88 and 59,235.96

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Solution

The fourth proportional to 138,172.92, 207,258.88 and 59,235.96 is: 88,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,172.92 : 207,258.88 = 59,235.96 : x
  2. Step 2: Convert to fraction form
    138,172.92/207,258.88 = 59,235.96/x
  3. Step 3: Cross multiply
    138,172.92x = 207,258.88 × 59,235.96
  4. Step 4: Simplify right side
    138,172.92x = 12,277,178,725.32
  5. Step 5: Solve for x
    x = 12,277,178,725.32/138,172.92
  6. Step 6: Final answer
    x = 88,853.73

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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.