Home / 149,041.78-223,562.64-38,233.78

Finding the Fourth Proportional to 149,041.78, 223,562.64 and 38,233.78

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Solution

The fourth proportional to 149,041.78, 223,562.64 and 38,233.78 is: 57,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,041.78 : 223,562.64 = 38,233.78 : x
  2. Step 2: Convert to fraction form
    149,041.78/223,562.64 = 38,233.78/x
  3. Step 3: Cross multiply
    149,041.78x = 223,562.64 × 38,233.78
  4. Step 4: Simplify right side
    149,041.78x = 8,547,644,793.98
  5. Step 5: Solve for x
    x = 8,547,644,793.98/149,041.78
  6. Step 6: Final answer
    x = 57,350.66

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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.