Home / 248,010.10-372,101.55-107,869.30

Finding the Fourth Proportional to 248,010.10, 372,101.55 and 107,869.30

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Solution

The fourth proportional to 248,010.10, 372,101.55 and 107,869.30 is: 161,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,010.10 : 372,101.55 = 107,869.30 : x
  2. Step 2: Convert to fraction form
    248,010.10/372,101.55 = 107,869.30/x
  3. Step 3: Cross multiply
    248,010.10x = 372,101.55 × 107,869.30
  4. Step 4: Simplify right side
    248,010.10x = 40,138,333,727.42
  5. Step 5: Solve for x
    x = 40,138,333,727.42/248,010.10
  6. Step 6: Final answer
    x = 161,841.53

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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.