Home / 145,459.26-218,164.17-40,253.64

Finding the Fourth Proportional to 145,459.26, 218,164.17 and 40,253.64

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Solution

The fourth proportional to 145,459.26, 218,164.17 and 40,253.64 is: 60,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,459.26 : 218,164.17 = 40,253.64 : x
  2. Step 2: Convert to fraction form
    145,459.26/218,164.17 = 40,253.64/x
  3. Step 3: Cross multiply
    145,459.26x = 218,164.17 × 40,253.64
  4. Step 4: Simplify right side
    145,459.26x = 8,781,901,960.08
  5. Step 5: Solve for x
    x = 8,781,901,960.08/145,459.26
  6. Step 6: Final answer
    x = 60,373.62

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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.