Home / 125,440.20-173,099.70-68,851.17

Finding the Fourth Proportional to 125,440.20, 173,099.70 and 68,851.17

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Solution

The fourth proportional to 125,440.20, 173,099.70 and 68,851.17 is: 95,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,440.20 : 173,099.70 = 68,851.17 : x
  2. Step 2: Convert to fraction form
    125,440.20/173,099.70 = 68,851.17/x
  3. Step 3: Cross multiply
    125,440.20x = 173,099.70 × 68,851.17
  4. Step 4: Simplify right side
    125,440.20x = 11,918,116,871.65
  5. Step 5: Solve for x
    x = 11,918,116,871.65/125,440.20
  6. Step 6: Final answer
    x = 95,010.35

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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.