Home / 126,489.27-174,548.32-69,897

Finding the Fourth Proportional to 126,489.27, 174,548.32 and 69,897

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Solution

The fourth proportional to 126,489.27, 174,548.32 and 69,897 is: 96,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,489.27 : 174,548.32 = 69,897 : x
  2. Step 2: Convert to fraction form
    126,489.27/174,548.32 = 69,897/x
  3. Step 3: Cross multiply
    126,489.27x = 174,548.32 × 69,897
  4. Step 4: Simplify right side
    126,489.27x = 12,200,403,923.04
  5. Step 5: Solve for x
    x = 12,200,403,923.04/126,489.27
  6. Step 6: Final answer
    x = 96,454.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.