Home / 132,493.81-198,746.87-42,540.19

Finding the Fourth Proportional to 132,493.81, 198,746.87 and 42,540.19

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Solution

The fourth proportional to 132,493.81, 198,746.87 and 42,540.19 is: 63,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,493.81 : 198,746.87 = 42,540.19 : x
  2. Step 2: Convert to fraction form
    132,493.81/198,746.87 = 42,540.19/x
  3. Step 3: Cross multiply
    132,493.81x = 198,746.87 × 42,540.19
  4. Step 4: Simplify right side
    132,493.81x = 8,454,729,399.00
  5. Step 5: Solve for x
    x = 8,454,729,399.00/132,493.81
  6. Step 6: Final answer
    x = 63,812.26

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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.