Home / 138,030.18-206,712.93-93,521.97

Finding the Fourth Proportional to 138,030.18, 206,712.93 and 93,521.97

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Solution

The fourth proportional to 138,030.18, 206,712.93 and 93,521.97 is: 140,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,030.18 : 206,712.93 = 93,521.97 : x
  2. Step 2: Convert to fraction form
    138,030.18/206,712.93 = 93,521.97/x
  3. Step 3: Cross multiply
    138,030.18x = 206,712.93 × 93,521.97
  4. Step 4: Simplify right side
    138,030.18x = 19,332,200,438.07
  5. Step 5: Solve for x
    x = 19,332,200,438.07/138,030.18
  6. Step 6: Final answer
    x = 140,057.78

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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.