Home / 149,950.56-206,931.76-81,967.82

Finding the Fourth Proportional to 149,950.56, 206,931.76 and 81,967.82

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Solution

The fourth proportional to 149,950.56, 206,931.76 and 81,967.82 is: 113,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,950.56 : 206,931.76 = 81,967.82 : x
  2. Step 2: Convert to fraction form
    149,950.56/206,931.76 = 81,967.82/x
  3. Step 3: Cross multiply
    149,950.56x = 206,931.76 × 81,967.82
  4. Step 4: Simplify right side
    149,950.56x = 16,961,745,255.96
  5. Step 5: Solve for x
    x = 16,961,745,255.96/149,950.56
  6. Step 6: Final answer
    x = 113,115.58

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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.