Home / 125,874.02-173,760.57-90,001.70

Finding the Fourth Proportional to 125,874.02, 173,760.57 and 90,001.70

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Solution

The fourth proportional to 125,874.02, 173,760.57 and 90,001.70 is: 124,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,874.02 : 173,760.57 = 90,001.70 : x
  2. Step 2: Convert to fraction form
    125,874.02/173,760.57 = 90,001.70/x
  3. Step 3: Cross multiply
    125,874.02x = 173,760.57 × 90,001.70
  4. Step 4: Simplify right side
    125,874.02x = 15,638,746,692.97
  5. Step 5: Solve for x
    x = 15,638,746,692.97/125,874.02
  6. Step 6: Final answer
    x = 124,241.26

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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.