Home / 140,738.34-194,201.20-112,130.62

Finding the Fourth Proportional to 140,738.34, 194,201.20 and 112,130.62

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Solution

The fourth proportional to 140,738.34, 194,201.20 and 112,130.62 is: 154,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,738.34 : 194,201.20 = 112,130.62 : x
  2. Step 2: Convert to fraction form
    140,738.34/194,201.20 = 112,130.62/x
  3. Step 3: Cross multiply
    140,738.34x = 194,201.20 × 112,130.62
  4. Step 4: Simplify right side
    140,738.34x = 21,775,900,960.74
  5. Step 5: Solve for x
    x = 21,775,900,960.74/140,738.34
  6. Step 6: Final answer
    x = 154,726.15

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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.