Home / 140,352.85-193,686.72-79,923.50

Finding the Fourth Proportional to 140,352.85, 193,686.72 and 79,923.50

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Solution

The fourth proportional to 140,352.85, 193,686.72 and 79,923.50 is: 110,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,352.85 : 193,686.72 = 79,923.50 : x
  2. Step 2: Convert to fraction form
    140,352.85/193,686.72 = 79,923.50/x
  3. Step 3: Cross multiply
    140,352.85x = 193,686.72 × 79,923.50
  4. Step 4: Simplify right side
    140,352.85x = 15,480,120,565.92
  5. Step 5: Solve for x
    x = 15,480,120,565.92/140,352.85
  6. Step 6: Final answer
    x = 110,294.31

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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.