Home / 91,546.13-137,338.80-28,364.85

Finding the Fourth Proportional to 91,546.13, 137,338.80 and 28,364.85

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Solution

The fourth proportional to 91,546.13, 137,338.80 and 28,364.85 is: 42,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,546.13 : 137,338.80 = 28,364.85 : x
  2. Step 2: Convert to fraction form
    91,546.13/137,338.80 = 28,364.85/x
  3. Step 3: Cross multiply
    91,546.13x = 137,338.80 × 28,364.85
  4. Step 4: Simplify right side
    91,546.13x = 3,895,594,319.36
  5. Step 5: Solve for x
    x = 3,895,594,319.36/91,546.13
  6. Step 6: Final answer
    x = 42,553.35

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1.5x scale

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.