Home / 134,494.67-185,677.17-80,792.75

Finding the Fourth Proportional to 134,494.67, 185,677.17 and 80,792.75

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Solution

The fourth proportional to 134,494.67, 185,677.17 and 80,792.75 is: 111,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,494.67 : 185,677.17 = 80,792.75 : x
  2. Step 2: Convert to fraction form
    134,494.67/185,677.17 = 80,792.75/x
  3. Step 3: Cross multiply
    134,494.67x = 185,677.17 × 80,792.75
  4. Step 4: Simplify right side
    134,494.67x = 15,001,369,176.52
  5. Step 5: Solve for x
    x = 15,001,369,176.52/134,494.67
  6. Step 6: Final answer
    x = 111,538.76

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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.