Home / 132,752.92-183,115.33-78,997.81

Finding the Fourth Proportional to 132,752.92, 183,115.33 and 78,997.81

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Solution

The fourth proportional to 132,752.92, 183,115.33 and 78,997.81 is: 108,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,752.92 : 183,115.33 = 78,997.81 : x
  2. Step 2: Convert to fraction form
    132,752.92/183,115.33 = 78,997.81/x
  3. Step 3: Cross multiply
    132,752.92x = 183,115.33 × 78,997.81
  4. Step 4: Simplify right side
    132,752.92x = 14,465,710,047.43
  5. Step 5: Solve for x
    x = 14,465,710,047.43/132,752.92
  6. Step 6: Final answer
    x = 108,967.17

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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.