Home / 140,982.32-194,568.08-77,332.52

Finding the Fourth Proportional to 140,982.32, 194,568.08 and 77,332.52

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Solution

The fourth proportional to 140,982.32, 194,568.08 and 77,332.52 is: 106,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,982.32 : 194,568.08 = 77,332.52 : x
  2. Step 2: Convert to fraction form
    140,982.32/194,568.08 = 77,332.52/x
  3. Step 3: Cross multiply
    140,982.32x = 194,568.08 × 77,332.52
  4. Step 4: Simplify right side
    140,982.32x = 15,046,440,037.72
  5. Step 5: Solve for x
    x = 15,046,440,037.72/140,982.32
  6. Step 6: Final answer
    x = 106,725.72

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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.