Home / 145,164.80-217,691.04-56,406.62

Finding the Fourth Proportional to 145,164.80, 217,691.04 and 56,406.62

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Solution

The fourth proportional to 145,164.80, 217,691.04 and 56,406.62 is: 84,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164.80 : 217,691.04 = 56,406.62 : x
  2. Step 2: Convert to fraction form
    145,164.80/217,691.04 = 56,406.62/x
  3. Step 3: Cross multiply
    145,164.80x = 217,691.04 × 56,406.62
  4. Step 4: Simplify right side
    145,164.80x = 12,279,215,770.68
  5. Step 5: Solve for x
    x = 12,279,215,770.68/145,164.80
  6. Step 6: Final answer
    x = 84,588.11

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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.