Home / 148,256.40-204,390.45-93,781.47

Finding the Fourth Proportional to 148,256.40, 204,390.45 and 93,781.47

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Solution

The fourth proportional to 148,256.40, 204,390.45 and 93,781.47 is: 129,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,256.40 : 204,390.45 = 93,781.47 : x
  2. Step 2: Convert to fraction form
    148,256.40/204,390.45 = 93,781.47/x
  3. Step 3: Cross multiply
    148,256.40x = 204,390.45 × 93,781.47
  4. Step 4: Simplify right side
    148,256.40x = 19,168,036,854.96
  5. Step 5: Solve for x
    x = 19,168,036,854.96/148,256.40
  6. Step 6: Final answer
    x = 129,289.78

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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.