Home / 84,277.28-125,479.88-83,100.24

Finding the Fourth Proportional to 84,277.28, 125,479.88 and 83,100.24

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Solution

The fourth proportional to 84,277.28, 125,479.88 and 83,100.24 is: 123,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,277.28 : 125,479.88 = 83,100.24 : x
  2. Step 2: Convert to fraction form
    84,277.28/125,479.88 = 83,100.24/x
  3. Step 3: Cross multiply
    84,277.28x = 125,479.88 × 83,100.24
  4. Step 4: Simplify right side
    84,277.28x = 10,427,408,143.17
  5. Step 5: Solve for x
    x = 10,427,408,143.17/84,277.28
  6. Step 6: Final answer
    x = 123,727.39

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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.