Home / 212,452.56-318,875.76-107,345.52

Finding the Fourth Proportional to 212,452.56, 318,875.76 and 107,345.52

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Solution

The fourth proportional to 212,452.56, 318,875.76 and 107,345.52 is: 161,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,452.56 : 318,875.76 = 107,345.52 : x
  2. Step 2: Convert to fraction form
    212,452.56/318,875.76 = 107,345.52/x
  3. Step 3: Cross multiply
    212,452.56x = 318,875.76 × 107,345.52
  4. Step 4: Simplify right side
    212,452.56x = 34,229,884,272.60
  5. Step 5: Solve for x
    x = 34,229,884,272.60/212,452.56
  6. Step 6: Final answer
    x = 161,117.78

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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.