Home / 248,613.40-372,920.10-71,126.20

Finding the Fourth Proportional to 248,613.40, 372,920.10 and 71,126.20

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Solution

The fourth proportional to 248,613.40, 372,920.10 and 71,126.20 is: 106,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,613.40 : 372,920.10 = 71,126.20 : x
  2. Step 2: Convert to fraction form
    248,613.40/372,920.10 = 71,126.20/x
  3. Step 3: Cross multiply
    248,613.40x = 372,920.10 × 71,126.20
  4. Step 4: Simplify right side
    248,613.40x = 26,524,389,616.62
  5. Step 5: Solve for x
    x = 26,524,389,616.62/248,613.40
  6. Step 6: Final answer
    x = 106,689.30

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1.5x scale

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.