Home / 158,720.52-219,035.97-87,105.18

Finding the Fourth Proportional to 158,720.52, 219,035.97 and 87,105.18

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Solution

The fourth proportional to 158,720.52, 219,035.97 and 87,105.18 is: 120,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,720.52 : 219,035.97 = 87,105.18 : x
  2. Step 2: Convert to fraction form
    158,720.52/219,035.97 = 87,105.18/x
  3. Step 3: Cross multiply
    158,720.52x = 219,035.97 × 87,105.18
  4. Step 4: Simplify right side
    158,720.52x = 19,079,167,593.32
  5. Step 5: Solve for x
    x = 19,079,167,593.32/158,720.52
  6. Step 6: Final answer
    x = 120,206.06

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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.