Home / 235,777.24-325,373.34-128,348.20

Finding the Fourth Proportional to 235,777.24, 325,373.34 and 128,348.20

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Solution

The fourth proportional to 235,777.24, 325,373.34 and 128,348.20 is: 177,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,777.24 : 325,373.34 = 128,348.20 : x
  2. Step 2: Convert to fraction form
    235,777.24/325,373.34 = 128,348.20/x
  3. Step 3: Cross multiply
    235,777.24x = 325,373.34 × 128,348.20
  4. Step 4: Simplify right side
    235,777.24x = 41,761,082,516.99
  5. Step 5: Solve for x
    x = 41,761,082,516.99/235,777.24
  6. Step 6: Final answer
    x = 177,120.92

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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.