Home / 115,192.83-172,724.20-47,686.73

Finding the Fourth Proportional to 115,192.83, 172,724.20 and 47,686.73

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Solution

The fourth proportional to 115,192.83, 172,724.20 and 47,686.73 is: 71,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,192.83 : 172,724.20 = 47,686.73 : x
  2. Step 2: Convert to fraction form
    115,192.83/172,724.20 = 47,686.73/x
  3. Step 3: Cross multiply
    115,192.83x = 172,724.20 × 47,686.73
  4. Step 4: Simplify right side
    115,192.83x = 8,236,651,307.03
  5. Step 5: Solve for x
    x = 8,236,651,307.03/115,192.83
  6. Step 6: Final answer
    x = 71,503.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.