Home / 145,834.99-218,753.39-40,654.87

Finding the Fourth Proportional to 145,834.99, 218,753.39 and 40,654.87

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Solution

The fourth proportional to 145,834.99, 218,753.39 and 40,654.87 is: 60,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,834.99 : 218,753.39 = 40,654.87 : x
  2. Step 2: Convert to fraction form
    145,834.99/218,753.39 = 40,654.87/x
  3. Step 3: Cross multiply
    145,834.99x = 218,753.39 × 40,654.87
  4. Step 4: Simplify right side
    145,834.99x = 8,893,390,632.51
  5. Step 5: Solve for x
    x = 8,893,390,632.51/145,834.99
  6. Step 6: Final answer
    x = 60,982.56

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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.