Home / 124,988.14-172,482.96-68,399.38

Finding the Fourth Proportional to 124,988.14, 172,482.96 and 68,399.38

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Solution

The fourth proportional to 124,988.14, 172,482.96 and 68,399.38 is: 94,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,988.14 : 172,482.96 = 68,399.38 : x
  2. Step 2: Convert to fraction form
    124,988.14/172,482.96 = 68,399.38/x
  3. Step 3: Cross multiply
    124,988.14x = 172,482.96 × 68,399.38
  4. Step 4: Simplify right side
    124,988.14x = 11,797,727,524.56
  5. Step 5: Solve for x
    x = 11,797,727,524.56/124,988.14
  6. Step 6: Final answer
    x = 94,390.78

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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.