Home / 204,385.10-282,076-123,810.26

Finding the Fourth Proportional to 204,385.10, 282,076 and 123,810.26

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Solution

The fourth proportional to 204,385.10, 282,076 and 123,810.26 is: 170,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,385.10 : 282,076 = 123,810.26 : x
  2. Step 2: Convert to fraction form
    204,385.10/282,076 = 123,810.26/x
  3. Step 3: Cross multiply
    204,385.10x = 282,076 × 123,810.26
  4. Step 4: Simplify right side
    204,385.10x = 34,923,902,899.76
  5. Step 5: Solve for x
    x = 34,923,902,899.76/204,385.10
  6. Step 6: Final answer
    x = 170,873.04

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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.