Home / 205,943.20-284,204.64-125,374.16

Finding the Fourth Proportional to 205,943.20, 284,204.64 and 125,374.16

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Solution

The fourth proportional to 205,943.20, 284,204.64 and 125,374.16 is: 173,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,943.20 : 284,204.64 = 125,374.16 : x
  2. Step 2: Convert to fraction form
    205,943.20/284,204.64 = 125,374.16/x
  3. Step 3: Cross multiply
    205,943.20x = 284,204.64 × 125,374.16
  4. Step 4: Simplify right side
    205,943.20x = 35,631,918,008.10
  5. Step 5: Solve for x
    x = 35,631,918,008.10/205,943.20
  6. Step 6: Final answer
    x = 173,018.18

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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.