Home / 132,290.18-198,462.61-43,549.01

Finding the Fourth Proportional to 132,290.18, 198,462.61 and 43,549.01

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Solution

The fourth proportional to 132,290.18, 198,462.61 and 43,549.01 is: 65,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290.18 : 198,462.61 = 43,549.01 : x
  2. Step 2: Convert to fraction form
    132,290.18/198,462.61 = 43,549.01/x
  3. Step 3: Cross multiply
    132,290.18x = 198,462.61 × 43,549.01
  4. Step 4: Simplify right side
    132,290.18x = 8,642,850,187.52
  5. Step 5: Solve for x
    x = 8,642,850,187.52/132,290.18
  6. Step 6: Final answer
    x = 65,332.52

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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.