Home / 130,375.16-179,998.98-89,609.48

Finding the Fourth Proportional to 130,375.16, 179,998.98 and 89,609.48

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Solution

The fourth proportional to 130,375.16, 179,998.98 and 89,609.48 is: 123,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,375.16 : 179,998.98 = 89,609.48 : x
  2. Step 2: Convert to fraction form
    130,375.16/179,998.98 = 89,609.48/x
  3. Step 3: Cross multiply
    130,375.16x = 179,998.98 × 89,609.48
  4. Step 4: Simplify right side
    130,375.16x = 16,129,614,998.33
  5. Step 5: Solve for x
    x = 16,129,614,998.33/130,375.16
  6. Step 6: Final answer
    x = 123,716.93

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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.