Home / 83,433.01-125,148.18-20,253.64

Finding the Fourth Proportional to 83,433.01, 125,148.18 and 20,253.64

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Solution

The fourth proportional to 83,433.01, 125,148.18 and 20,253.64 is: 30,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,433.01 : 125,148.18 = 20,253.64 : x
  2. Step 2: Convert to fraction form
    83,433.01/125,148.18 = 20,253.64/x
  3. Step 3: Cross multiply
    83,433.01x = 125,148.18 × 20,253.64
  4. Step 4: Simplify right side
    83,433.01x = 2,534,706,184.38
  5. Step 5: Solve for x
    x = 2,534,706,184.38/83,433.01
  6. Step 6: Final answer
    x = 30,380.14

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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.