Home / 131,889.56-181,907.16-113,523.92

Finding the Fourth Proportional to 131,889.56, 181,907.16 and 113,523.92

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Solution

The fourth proportional to 131,889.56, 181,907.16 and 113,523.92 is: 156,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,889.56 : 181,907.16 = 113,523.92 : x
  2. Step 2: Convert to fraction form
    131,889.56/181,907.16 = 113,523.92/x
  3. Step 3: Cross multiply
    131,889.56x = 181,907.16 × 113,523.92
  4. Step 4: Simplify right side
    131,889.56x = 20,650,812,402.11
  5. Step 5: Solve for x
    x = 20,650,812,402.11/131,889.56
  6. Step 6: Final answer
    x = 156,576.56

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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.