Home / 207,972.66-287,002.44-112,479.24

Finding the Fourth Proportional to 207,972.66, 287,002.44 and 112,479.24

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Solution

The fourth proportional to 207,972.66, 287,002.44 and 112,479.24 is: 155,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,972.66 : 287,002.44 = 112,479.24 : x
  2. Step 2: Convert to fraction form
    207,972.66/287,002.44 = 112,479.24/x
  3. Step 3: Cross multiply
    207,972.66x = 287,002.44 × 112,479.24
  4. Step 4: Simplify right side
    207,972.66x = 32,281,816,329.35
  5. Step 5: Solve for x
    x = 32,281,816,329.35/207,972.66
  6. Step 6: Final answer
    x = 155,221.44

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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.