Home / 237,339.12-327,529.03-128,443.47

Finding the Fourth Proportional to 237,339.12, 327,529.03 and 128,443.47

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Solution

The fourth proportional to 237,339.12, 327,529.03 and 128,443.47 is: 177,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,339.12 : 327,529.03 = 128,443.47 : x
  2. Step 2: Convert to fraction form
    237,339.12/327,529.03 = 128,443.47/x
  3. Step 3: Cross multiply
    237,339.12x = 327,529.03 × 128,443.47
  4. Step 4: Simplify right side
    237,339.12x = 42,068,965,138.93
  5. Step 5: Solve for x
    x = 42,068,965,138.93/237,339.12
  6. Step 6: Final answer
    x = 177,252.55

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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.