Home / 131,705.46-181,753.54-71,276.11

Finding the Fourth Proportional to 131,705.46, 181,753.54 and 71,276.11

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Solution

The fourth proportional to 131,705.46, 181,753.54 and 71,276.11 is: 98,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,705.46 : 181,753.54 = 71,276.11 : x
  2. Step 2: Convert to fraction form
    131,705.46/181,753.54 = 71,276.11/x
  3. Step 3: Cross multiply
    131,705.46x = 181,753.54 × 71,276.11
  4. Step 4: Simplify right side
    131,705.46x = 12,954,684,677.36
  5. Step 5: Solve for x
    x = 12,954,684,677.36/131,705.46
  6. Step 6: Final answer
    x = 98,361.03

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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.