Home / 158,760.47-219,092.04-87,147.16

Finding the Fourth Proportional to 158,760.47, 219,092.04 and 87,147.16

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Solution

The fourth proportional to 158,760.47, 219,092.04 and 87,147.16 is: 120,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,760.47 : 219,092.04 = 87,147.16 : x
  2. Step 2: Convert to fraction form
    158,760.47/219,092.04 = 87,147.16/x
  3. Step 3: Cross multiply
    158,760.47x = 219,092.04 × 87,147.16
  4. Step 4: Simplify right side
    158,760.47x = 19,093,248,516.88
  5. Step 5: Solve for x
    x = 19,093,248,516.88/158,760.47
  6. Step 6: Final answer
    x = 120,264.50

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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.