Home / 131,211.14-181,096.10-82,175.49

Finding the Fourth Proportional to 131,211.14, 181,096.10 and 82,175.49

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Solution

The fourth proportional to 131,211.14, 181,096.10 and 82,175.49 is: 113,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211.14 : 181,096.10 = 82,175.49 : x
  2. Step 2: Convert to fraction form
    131,211.14/181,096.10 = 82,175.49/x
  3. Step 3: Cross multiply
    131,211.14x = 181,096.10 × 82,175.49
  4. Step 4: Simplify right side
    131,211.14x = 14,881,660,343.71
  5. Step 5: Solve for x
    x = 14,881,660,343.71/131,211.14
  6. Step 6: Final answer
    x = 113,417.66

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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.