Home / 117,319.23-162,034.18-79,527.87

Finding the Fourth Proportional to 117,319.23, 162,034.18 and 79,527.87

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Solution

The fourth proportional to 117,319.23, 162,034.18 and 79,527.87 is: 109,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,319.23 : 162,034.18 = 79,527.87 : x
  2. Step 2: Convert to fraction form
    117,319.23/162,034.18 = 79,527.87/x
  3. Step 3: Cross multiply
    117,319.23x = 162,034.18 × 79,527.87
  4. Step 4: Simplify right side
    117,319.23x = 12,886,233,003.78
  5. Step 5: Solve for x
    x = 12,886,233,003.78/117,319.23
  6. Step 6: Final answer
    x = 109,839.05

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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.