Home / 142,773.24-197,034.95-79,109.67

Finding the Fourth Proportional to 142,773.24, 197,034.95 and 79,109.67

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Solution

The fourth proportional to 142,773.24, 197,034.95 and 79,109.67 is: 109,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,773.24 : 197,034.95 = 79,109.67 : x
  2. Step 2: Convert to fraction form
    142,773.24/197,034.95 = 79,109.67/x
  3. Step 3: Cross multiply
    142,773.24x = 197,034.95 × 79,109.67
  4. Step 4: Simplify right side
    142,773.24x = 15,587,369,872.97
  5. Step 5: Solve for x
    x = 15,587,369,872.97/142,773.24
  6. Step 6: Final answer
    x = 109,175.71

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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.