Home / 179,230.86-247,345.18-98,661.78

Finding the Fourth Proportional to 179,230.86, 247,345.18 and 98,661.78

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Solution

The fourth proportional to 179,230.86, 247,345.18 and 98,661.78 is: 136,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,230.86 : 247,345.18 = 98,661.78 : x
  2. Step 2: Convert to fraction form
    179,230.86/247,345.18 = 98,661.78/x
  3. Step 3: Cross multiply
    179,230.86x = 247,345.18 × 98,661.78
  4. Step 4: Simplify right side
    179,230.86x = 24,403,515,486.57
  5. Step 5: Solve for x
    x = 24,403,515,486.57/179,230.86
  6. Step 6: Final answer
    x = 136,156.88

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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.