Home / 129,659.33-179,000.48-89,588.84

Finding the Fourth Proportional to 129,659.33, 179,000.48 and 89,588.84

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Solution

The fourth proportional to 129,659.33, 179,000.48 and 89,588.84 is: 123,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,659.33 : 179,000.48 = 89,588.84 : x
  2. Step 2: Convert to fraction form
    129,659.33/179,000.48 = 89,588.84/x
  3. Step 3: Cross multiply
    129,659.33x = 179,000.48 × 89,588.84
  4. Step 4: Simplify right side
    129,659.33x = 16,036,444,691.61
  5. Step 5: Solve for x
    x = 16,036,444,691.61/129,659.33
  6. Step 6: Final answer
    x = 123,681.38

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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.