Home / 140,775.60-194,251.62-80,342.63

Finding the Fourth Proportional to 140,775.60, 194,251.62 and 80,342.63

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Solution

The fourth proportional to 140,775.60, 194,251.62 and 80,342.63 is: 110,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,775.60 : 194,251.62 = 80,342.63 : x
  2. Step 2: Convert to fraction form
    140,775.60/194,251.62 = 80,342.63/x
  3. Step 3: Cross multiply
    140,775.60x = 194,251.62 × 80,342.63
  4. Step 4: Simplify right side
    140,775.60x = 15,606,686,731.77
  5. Step 5: Solve for x
    x = 15,606,686,731.77/140,775.60
  6. Step 6: Final answer
    x = 110,862.16

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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.