Home / 125,480.16-173,162.96-68,895.20

Finding the Fourth Proportional to 125,480.16, 173,162.96 and 68,895.20

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Solution

The fourth proportional to 125,480.16, 173,162.96 and 68,895.20 is: 95,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,480.16 : 173,162.96 = 68,895.20 : x
  2. Step 2: Convert to fraction form
    125,480.16/173,162.96 = 68,895.20/x
  3. Step 3: Cross multiply
    125,480.16x = 173,162.96 × 68,895.20
  4. Step 4: Simplify right side
    125,480.16x = 11,930,096,761.79
  5. Step 5: Solve for x
    x = 11,930,096,761.79/125,480.16
  6. Step 6: Final answer
    x = 95,075.56

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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.