Home / 131,706.31-181,755.03-71,277.39

Finding the Fourth Proportional to 131,706.31, 181,755.03 and 71,277.39

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Solution

The fourth proportional to 131,706.31, 181,755.03 and 71,277.39 is: 98,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706.31 : 181,755.03 = 71,277.39 : x
  2. Step 2: Convert to fraction form
    131,706.31/181,755.03 = 71,277.39/x
  3. Step 3: Cross multiply
    131,706.31x = 181,755.03 × 71,277.39
  4. Step 4: Simplify right side
    131,706.31x = 12,955,024,157.77
  5. Step 5: Solve for x
    x = 12,955,024,157.77/131,706.31
  6. Step 6: Final answer
    x = 98,362.97

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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.