Home / 131,755.14-181,821.89-71,325.77

Finding the Fourth Proportional to 131,755.14, 181,821.89 and 71,325.77

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Solution

The fourth proportional to 131,755.14, 181,821.89 and 71,325.77 is: 98,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,755.14 : 181,821.89 = 71,325.77 : x
  2. Step 2: Convert to fraction form
    131,755.14/181,821.89 = 71,325.77/x
  3. Step 3: Cross multiply
    131,755.14x = 181,821.89 × 71,325.77
  4. Step 4: Simplify right side
    131,755.14x = 12,968,585,516.02
  5. Step 5: Solve for x
    x = 12,968,585,516.02/131,755.14
  6. Step 6: Final answer
    x = 98,429.45

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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.