Home / 83,967.40-125,293.24-75,141.64

Finding the Fourth Proportional to 83,967.40, 125,293.24 and 75,141.64

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Solution

The fourth proportional to 83,967.40, 125,293.24 and 75,141.64 is: 112,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,967.40 : 125,293.24 = 75,141.64 : x
  2. Step 2: Convert to fraction form
    83,967.40/125,293.24 = 75,141.64/x
  3. Step 3: Cross multiply
    83,967.40x = 125,293.24 × 75,141.64
  4. Step 4: Simplify right side
    83,967.40x = 9,414,739,534.51
  5. Step 5: Solve for x
    x = 9,414,739,534.51/83,967.40
  6. Step 6: Final answer
    x = 112,123.75

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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.