Home / 132,542.48-198,807.24-49,430

Finding the Fourth Proportional to 132,542.48, 198,807.24 and 49,430

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Solution

The fourth proportional to 132,542.48, 198,807.24 and 49,430 is: 74,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,542.48 : 198,807.24 = 49,430 : x
  2. Step 2: Convert to fraction form
    132,542.48/198,807.24 = 49,430/x
  3. Step 3: Cross multiply
    132,542.48x = 198,807.24 × 49,430
  4. Step 4: Simplify right side
    132,542.48x = 9,827,041,873.20
  5. Step 5: Solve for x
    x = 9,827,041,873.20/132,542.48
  6. Step 6: Final answer
    x = 74,142.58

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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.