Home / 140,251.40-193,565.22-79,810.28

Finding the Fourth Proportional to 140,251.40, 193,565.22 and 79,810.28

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Solution

The fourth proportional to 140,251.40, 193,565.22 and 79,810.28 is: 110,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,251.40 : 193,565.22 = 79,810.28 : x
  2. Step 2: Convert to fraction form
    140,251.40/193,565.22 = 79,810.28/x
  3. Step 3: Cross multiply
    140,251.40x = 193,565.22 × 79,810.28
  4. Step 4: Simplify right side
    140,251.40x = 15,448,494,406.46
  5. Step 5: Solve for x
    x = 15,448,494,406.46/140,251.40
  6. Step 6: Final answer
    x = 110,148.59

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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.