Home / 148,970.76-223,385.74-54,134.88

Finding the Fourth Proportional to 148,970.76, 223,385.74 and 54,134.88

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Solution

The fourth proportional to 148,970.76, 223,385.74 and 54,134.88 is: 81,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,970.76 : 223,385.74 = 54,134.88 : x
  2. Step 2: Convert to fraction form
    148,970.76/223,385.74 = 54,134.88/x
  3. Step 3: Cross multiply
    148,970.76x = 223,385.74 × 54,134.88
  4. Step 4: Simplify right side
    148,970.76x = 12,092,960,228.61
  5. Step 5: Solve for x
    x = 12,092,960,228.61/148,970.76
  6. Step 6: Final answer
    x = 81,176.74

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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.