Home / 83,445.64-125,167.08-20,266.28

Finding the Fourth Proportional to 83,445.64, 125,167.08 and 20,266.28

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Solution

The fourth proportional to 83,445.64, 125,167.08 and 20,266.28 is: 30,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.64 : 125,167.08 = 20,266.28 : x
  2. Step 2: Convert to fraction form
    83,445.64/125,167.08 = 20,266.28/x
  3. Step 3: Cross multiply
    83,445.64x = 125,167.08 × 20,266.28
  4. Step 4: Simplify right side
    83,445.64x = 2,536,670,464.23
  5. Step 5: Solve for x
    x = 2,536,670,464.23/83,445.64
  6. Step 6: Final answer
    x = 30,399.08

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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.