Home / 131,748.46-197,622.02-31,908.65

Finding the Fourth Proportional to 131,748.46, 197,622.02 and 31,908.65

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Solution

The fourth proportional to 131,748.46, 197,622.02 and 31,908.65 is: 47,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,748.46 : 197,622.02 = 31,908.65 : x
  2. Step 2: Convert to fraction form
    131,748.46/197,622.02 = 31,908.65/x
  3. Step 3: Cross multiply
    131,748.46x = 197,622.02 × 31,908.65
  4. Step 4: Simplify right side
    131,748.46x = 6,305,851,868.47
  5. Step 5: Solve for x
    x = 6,305,851,868.47/131,748.46
  6. Step 6: Final answer
    x = 47,862.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.