Home / 90,733.59-125,219.37-54,436.40

Finding the Fourth Proportional to 90,733.59, 125,219.37 and 54,436.40

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Solution

The fourth proportional to 90,733.59, 125,219.37 and 54,436.40 is: 75,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.59 : 125,219.37 = 54,436.40 : x
  2. Step 2: Convert to fraction form
    90,733.59/125,219.37 = 54,436.40/x
  3. Step 3: Cross multiply
    90,733.59x = 125,219.37 × 54,436.40
  4. Step 4: Simplify right side
    90,733.59x = 6,816,491,713.07
  5. Step 5: Solve for x
    x = 6,816,491,713.07/90,733.59
  6. Step 6: Final answer
    x = 75,126.44

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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.