Home / 248,613.40-372,920.10-143,345.80

Finding the Fourth Proportional to 248,613.40, 372,920.10 and 143,345.80

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Solution

The fourth proportional to 248,613.40, 372,920.10 and 143,345.80 is: 215,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,613.40 : 372,920.10 = 143,345.80 : x
  2. Step 2: Convert to fraction form
    248,613.40/372,920.10 = 143,345.80/x
  3. Step 3: Cross multiply
    248,613.40x = 372,920.10 × 143,345.80
  4. Step 4: Simplify right side
    248,613.40x = 53,456,530,070.58
  5. Step 5: Solve for x
    x = 53,456,530,070.58/248,613.40
  6. Step 6: Final answer
    x = 215,018.70

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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.