Home / 230,929.55-318,676.57-128,952.17

Finding the Fourth Proportional to 230,929.55, 318,676.57 and 128,952.17

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Solution

The fourth proportional to 230,929.55, 318,676.57 and 128,952.17 is: 177,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,929.55 : 318,676.57 = 128,952.17 : x
  2. Step 2: Convert to fraction form
    230,929.55/318,676.57 = 128,952.17/x
  3. Step 3: Cross multiply
    230,929.55x = 318,676.57 × 128,952.17
  4. Step 4: Simplify right side
    230,929.55x = 41,094,035,229.66
  5. Step 5: Solve for x
    x = 41,094,035,229.66/230,929.55
  6. Step 6: Final answer
    x = 177,950.53

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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.