Home / 205,999.10-284,255.26-115,342.46

Finding the Fourth Proportional to 205,999.10, 284,255.26 and 115,342.46

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Solution

The fourth proportional to 205,999.10, 284,255.26 and 115,342.46 is: 159,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,999.10 : 284,255.26 = 115,342.46 : x
  2. Step 2: Convert to fraction form
    205,999.10/284,255.26 = 115,342.46/x
  3. Step 3: Cross multiply
    205,999.10x = 284,255.26 × 115,342.46
  4. Step 4: Simplify right side
    205,999.10x = 32,786,699,246.71
  5. Step 5: Solve for x
    x = 32,786,699,246.71/205,999.10
  6. Step 6: Final answer
    x = 159,159.43

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1.5x scale

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.