Home / 85,339.39-127,360.18-75,881.13

Finding the Fourth Proportional to 85,339.39, 127,360.18 and 75,881.13

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Solution

The fourth proportional to 85,339.39, 127,360.18 and 75,881.13 is: 113,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339.39 : 127,360.18 = 75,881.13 : x
  2. Step 2: Convert to fraction form
    85,339.39/127,360.18 = 75,881.13/x
  3. Step 3: Cross multiply
    85,339.39x = 127,360.18 × 75,881.13
  4. Step 4: Simplify right side
    85,339.39x = 9,664,233,359.20
  5. Step 5: Solve for x
    x = 9,664,233,359.20/85,339.39
  6. Step 6: Final answer
    x = 113,244.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.