Home / 230,824.46-318,553.86-128,869.95

Finding the Fourth Proportional to 230,824.46, 318,553.86 and 128,869.95

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Solution

The fourth proportional to 230,824.46, 318,553.86 and 128,869.95 is: 177,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,824.46 : 318,553.86 = 128,869.95 : x
  2. Step 2: Convert to fraction form
    230,824.46/318,553.86 = 128,869.95/x
  3. Step 3: Cross multiply
    230,824.46x = 318,553.86 × 128,869.95
  4. Step 4: Simplify right side
    230,824.46x = 41,052,020,010.51
  5. Step 5: Solve for x
    x = 41,052,020,010.51/230,824.46
  6. Step 6: Final answer
    x = 177,849.53

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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.