Home / 115,345.22-159,176.48-67,598.55

Finding the Fourth Proportional to 115,345.22, 159,176.48 and 67,598.55

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Solution

The fourth proportional to 115,345.22, 159,176.48 and 67,598.55 is: 93,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,345.22 : 159,176.48 = 67,598.55 : x
  2. Step 2: Convert to fraction form
    115,345.22/159,176.48 = 67,598.55/x
  3. Step 3: Cross multiply
    115,345.22x = 159,176.48 × 67,598.55
  4. Step 4: Simplify right side
    115,345.22x = 10,760,098,904.11
  5. Step 5: Solve for x
    x = 10,760,098,904.11/115,345.22
  6. Step 6: Final answer
    x = 93,286.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.