Home / 232,359.24-320,642.46-128,988.12

Finding the Fourth Proportional to 232,359.24, 320,642.46 and 128,988.12

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Solution

The fourth proportional to 232,359.24, 320,642.46 and 128,988.12 is: 177,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,359.24 : 320,642.46 = 128,988.12 : x
  2. Step 2: Convert to fraction form
    232,359.24/320,642.46 = 128,988.12/x
  3. Step 3: Cross multiply
    232,359.24x = 320,642.46 × 128,988.12
  4. Step 4: Simplify right side
    232,359.24x = 41,359,068,107.58
  5. Step 5: Solve for x
    x = 41,359,068,107.58/232,359.24
  6. Step 6: Final answer
    x = 177,996.23

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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.