Home / 158,760.38-219,092.15-87,147.06

Finding the Fourth Proportional to 158,760.38, 219,092.15 and 87,147.06

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Solution

The fourth proportional to 158,760.38, 219,092.15 and 87,147.06 is: 120,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,760.38 : 219,092.15 = 87,147.06 : x
  2. Step 2: Convert to fraction form
    158,760.38/219,092.15 = 87,147.06/x
  3. Step 3: Cross multiply
    158,760.38x = 219,092.15 × 87,147.06
  4. Step 4: Simplify right side
    158,760.38x = 19,093,236,305.84
  5. Step 5: Solve for x
    x = 19,093,236,305.84/158,760.38
  6. Step 6: Final answer
    x = 120,264.49

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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.