Home / 130,110.92-179,498.07-87,104.26

Finding the Fourth Proportional to 130,110.92, 179,498.07 and 87,104.26

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Solution

The fourth proportional to 130,110.92, 179,498.07 and 87,104.26 is: 120,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,110.92 : 179,498.07 = 87,104.26 : x
  2. Step 2: Convert to fraction form
    130,110.92/179,498.07 = 87,104.26/x
  3. Step 3: Cross multiply
    130,110.92x = 179,498.07 × 87,104.26
  4. Step 4: Simplify right side
    130,110.92x = 15,635,046,110.03
  5. Step 5: Solve for x
    x = 15,635,046,110.03/130,110.92
  6. Step 6: Final answer
    x = 120,167.06

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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.