Home / 125,489.26-173,164.53-71,765.56

Finding the Fourth Proportional to 125,489.26, 173,164.53 and 71,765.56

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Solution

The fourth proportional to 125,489.26, 173,164.53 and 71,765.56 is: 99,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,489.26 : 173,164.53 = 71,765.56 : x
  2. Step 2: Convert to fraction form
    125,489.26/173,164.53 = 71,765.56/x
  3. Step 3: Cross multiply
    125,489.26x = 173,164.53 × 71,765.56
  4. Step 4: Simplify right side
    125,489.26x = 12,427,249,467.59
  5. Step 5: Solve for x
    x = 12,427,249,467.59/125,489.26
  6. Step 6: Final answer
    x = 99,030.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.