Home / 131,704.46-181,752.14-71,275.10

Finding the Fourth Proportional to 131,704.46, 181,752.14 and 71,275.10

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Solution

The fourth proportional to 131,704.46, 181,752.14 and 71,275.10 is: 98,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,704.46 : 181,752.14 = 71,275.10 : x
  2. Step 2: Convert to fraction form
    131,704.46/181,752.14 = 71,275.10/x
  3. Step 3: Cross multiply
    131,704.46x = 181,752.14 × 71,275.10
  4. Step 4: Simplify right side
    131,704.46x = 12,954,401,953.71
  5. Step 5: Solve for x
    x = 12,954,401,953.71/131,704.46
  6. Step 6: Final answer
    x = 98,359.63

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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.