Home / 130,422.44-180,066.60-89,654.36

Finding the Fourth Proportional to 130,422.44, 180,066.60 and 89,654.36

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Solution

The fourth proportional to 130,422.44, 180,066.60 and 89,654.36 is: 123,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,422.44 : 180,066.60 = 89,654.36 : x
  2. Step 2: Convert to fraction form
    130,422.44/180,066.60 = 89,654.36/x
  3. Step 3: Cross multiply
    130,422.44x = 180,066.60 × 89,654.36
  4. Step 4: Simplify right side
    130,422.44x = 16,143,755,780.38
  5. Step 5: Solve for x
    x = 16,143,755,780.38/130,422.44
  6. Step 6: Final answer
    x = 123,780.51

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1.5x scale

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.