Home / 248,117.10-372,175.65-192,129.90

Finding the Fourth Proportional to 248,117.10, 372,175.65 and 192,129.90

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Solution

The fourth proportional to 248,117.10, 372,175.65 and 192,129.90 is: 288,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,117.10 : 372,175.65 = 192,129.90 : x
  2. Step 2: Convert to fraction form
    248,117.10/372,175.65 = 192,129.90/x
  3. Step 3: Cross multiply
    248,117.10x = 372,175.65 × 192,129.90
  4. Step 4: Simplify right side
    248,117.10x = 71,506,070,416.94
  5. Step 5: Solve for x
    x = 71,506,070,416.94/248,117.10
  6. Step 6: Final answer
    x = 288,194.85

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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.