Home / 179,712.32-247,893.11-115,159.83

Finding the Fourth Proportional to 179,712.32, 247,893.11 and 115,159.83

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Solution

The fourth proportional to 179,712.32, 247,893.11 and 115,159.83 is: 158,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.32 : 247,893.11 = 115,159.83 : x
  2. Step 2: Convert to fraction form
    179,712.32/247,893.11 = 115,159.83/x
  3. Step 3: Cross multiply
    179,712.32x = 247,893.11 × 115,159.83
  4. Step 4: Simplify right side
    179,712.32x = 28,547,327,332.22
  5. Step 5: Solve for x
    x = 28,547,327,332.22/179,712.32
  6. Step 6: Final answer
    x = 158,850.14

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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.