Home / 102,064.46-152,769.04-54,560.79

Finding the Fourth Proportional to 102,064.46, 152,769.04 and 54,560.79

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Solution

The fourth proportional to 102,064.46, 152,769.04 and 54,560.79 is: 81,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,064.46 : 152,769.04 = 54,560.79 : x
  2. Step 2: Convert to fraction form
    102,064.46/152,769.04 = 54,560.79/x
  3. Step 3: Cross multiply
    102,064.46x = 152,769.04 × 54,560.79
  4. Step 4: Simplify right side
    102,064.46x = 8,335,199,373.54
  5. Step 5: Solve for x
    x = 8,335,199,373.54/102,064.46
  6. Step 6: Final answer
    x = 81,666.04

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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.