Home / 145,458.76-218,163.42-40,253.14

Finding the Fourth Proportional to 145,458.76, 218,163.42 and 40,253.14

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Solution

The fourth proportional to 145,458.76, 218,163.42 and 40,253.14 is: 60,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,458.76 : 218,163.42 = 40,253.14 : x
  2. Step 2: Convert to fraction form
    145,458.76/218,163.42 = 40,253.14/x
  3. Step 3: Cross multiply
    145,458.76x = 218,163.42 × 40,253.14
  4. Step 4: Simplify right side
    145,458.76x = 8,781,762,688.14
  5. Step 5: Solve for x
    x = 8,781,762,688.14/145,458.76
  6. Step 6: Final answer
    x = 60,372.87

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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.