Home / 205,230.47-283,215.13-114,587.87

Finding the Fourth Proportional to 205,230.47, 283,215.13 and 114,587.87

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Solution

The fourth proportional to 205,230.47, 283,215.13 and 114,587.87 is: 158,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,230.47 : 283,215.13 = 114,587.87 : x
  2. Step 2: Convert to fraction form
    205,230.47/283,215.13 = 114,587.87/x
  3. Step 3: Cross multiply
    205,230.47x = 283,215.13 × 114,587.87
  4. Step 4: Simplify right side
    205,230.47x = 32,453,017,440.48
  5. Step 5: Solve for x
    x = 32,453,017,440.48/205,230.47
  6. Step 6: Final answer
    x = 158,129.62

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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.