Home / 125,064.87-172,589.40-68,476.20

Finding the Fourth Proportional to 125,064.87, 172,589.40 and 68,476.20

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Solution

The fourth proportional to 125,064.87, 172,589.40 and 68,476.20 is: 94,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,064.87 : 172,589.40 = 68,476.20 : x
  2. Step 2: Convert to fraction form
    125,064.87/172,589.40 = 68,476.20/x
  3. Step 3: Cross multiply
    125,064.87x = 172,589.40 × 68,476.20
  4. Step 4: Simplify right side
    125,064.87x = 11,818,266,272.28
  5. Step 5: Solve for x
    x = 11,818,266,272.28/125,064.87
  6. Step 6: Final answer
    x = 94,497.09

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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.