Home / 204,625.28-282,247.68-128,011.44

Finding the Fourth Proportional to 204,625.28, 282,247.68 and 128,011.44

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Solution

The fourth proportional to 204,625.28, 282,247.68 and 128,011.44 is: 176,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,625.28 : 282,247.68 = 128,011.44 : x
  2. Step 2: Convert to fraction form
    204,625.28/282,247.68 = 128,011.44/x
  3. Step 3: Cross multiply
    204,625.28x = 282,247.68 × 128,011.44
  4. Step 4: Simplify right side
    204,625.28x = 36,130,931,953.46
  5. Step 5: Solve for x
    x = 36,130,931,953.46/204,625.28
  6. Step 6: Final answer
    x = 176,571.20

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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.