Home / 94,138.28-129,904.65-55,895.85

Finding the Fourth Proportional to 94,138.28, 129,904.65 and 55,895.85

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Solution

The fourth proportional to 94,138.28, 129,904.65 and 55,895.85 is: 77,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,138.28 : 129,904.65 = 55,895.85 : x
  2. Step 2: Convert to fraction form
    94,138.28/129,904.65 = 55,895.85/x
  3. Step 3: Cross multiply
    94,138.28x = 129,904.65 × 55,895.85
  4. Step 4: Simplify right side
    94,138.28x = 7,261,131,015.72
  5. Step 5: Solve for x
    x = 7,261,131,015.72/94,138.28
  6. Step 6: Final answer
    x = 77,132.61

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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.