Home / 235,764.06-325,358.55-128,337.18

Finding the Fourth Proportional to 235,764.06, 325,358.55 and 128,337.18

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Solution

The fourth proportional to 235,764.06, 325,358.55 and 128,337.18 is: 177,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,764.06 : 325,358.55 = 128,337.18 : x
  2. Step 2: Convert to fraction form
    235,764.06/325,358.55 = 128,337.18/x
  3. Step 3: Cross multiply
    235,764.06x = 325,358.55 × 128,337.18
  4. Step 4: Simplify right side
    235,764.06x = 41,755,598,795.89
  5. Step 5: Solve for x
    x = 41,755,598,795.89/235,764.06
  6. Step 6: Final answer
    x = 177,107.57

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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.