Home / 125,938.26-173,738.57-85,089.20

Finding the Fourth Proportional to 125,938.26, 173,738.57 and 85,089.20

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Solution

The fourth proportional to 125,938.26, 173,738.57 and 85,089.20 is: 117,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,938.26 : 173,738.57 = 85,089.20 : x
  2. Step 2: Convert to fraction form
    125,938.26/173,738.57 = 85,089.20/x
  3. Step 3: Cross multiply
    125,938.26x = 173,738.57 × 85,089.20
  4. Step 4: Simplify right side
    125,938.26x = 14,783,275,930.44
  5. Step 5: Solve for x
    x = 14,783,275,930.44/125,938.26
  6. Step 6: Final answer
    x = 117,385.11

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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.