Home / 165,332.61-247,921.16-115,469.01

Finding the Fourth Proportional to 165,332.61, 247,921.16 and 115,469.01

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Solution

The fourth proportional to 165,332.61, 247,921.16 and 115,469.01 is: 173,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,332.61 : 247,921.16 = 115,469.01 : x
  2. Step 2: Convert to fraction form
    165,332.61/247,921.16 = 115,469.01/x
  3. Step 3: Cross multiply
    165,332.61x = 247,921.16 × 115,469.01
  4. Step 4: Simplify right side
    165,332.61x = 28,627,210,325.91
  5. Step 5: Solve for x
    x = 28,627,210,325.91/165,332.61
  6. Step 6: Final answer
    x = 173,149.21

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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.