Home / 204,658.19-282,433.91-128,170.13

Finding the Fourth Proportional to 204,658.19, 282,433.91 and 128,170.13

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Solution

The fourth proportional to 204,658.19, 282,433.91 and 128,170.13 is: 176,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,658.19 : 282,433.91 = 128,170.13 : x
  2. Step 2: Convert to fraction form
    204,658.19/282,433.91 = 128,170.13/x
  3. Step 3: Cross multiply
    204,658.19x = 282,433.91 × 128,170.13
  4. Step 4: Simplify right side
    204,658.19x = 36,199,588,908.09
  5. Step 5: Solve for x
    x = 36,199,588,908.09/204,658.19
  6. Step 6: Final answer
    x = 176,878.29

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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.