Home / 83,429.55-125,143.26-20,250.16

Finding the Fourth Proportional to 83,429.55, 125,143.26 and 20,250.16

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Solution

The fourth proportional to 83,429.55, 125,143.26 and 20,250.16 is: 30,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,429.55 : 125,143.26 = 20,250.16 : x
  2. Step 2: Convert to fraction form
    83,429.55/125,143.26 = 20,250.16/x
  3. Step 3: Cross multiply
    83,429.55x = 125,143.26 × 20,250.16
  4. Step 4: Simplify right side
    83,429.55x = 2,534,171,037.92
  5. Step 5: Solve for x
    x = 2,534,171,037.92/83,429.55
  6. Step 6: Final answer
    x = 30,374.98

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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.