Home / 131,305.81-181,199.63-73,944.90

Finding the Fourth Proportional to 131,305.81, 181,199.63 and 73,944.90

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Solution

The fourth proportional to 131,305.81, 181,199.63 and 73,944.90 is: 102,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,305.81 : 181,199.63 = 73,944.90 : x
  2. Step 2: Convert to fraction form
    131,305.81/181,199.63 = 73,944.90/x
  3. Step 3: Cross multiply
    131,305.81x = 181,199.63 × 73,944.90
  4. Step 4: Simplify right side
    131,305.81x = 13,398,788,705.25
  5. Step 5: Solve for x
    x = 13,398,788,705.25/131,305.81
  6. Step 6: Final answer
    x = 102,042.62

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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.