Home / 107,983.26-161,974.90-55,359.18

Finding the Fourth Proportional to 107,983.26, 161,974.90 and 55,359.18

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Solution

The fourth proportional to 107,983.26, 161,974.90 and 55,359.18 is: 83,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,983.26 : 161,974.90 = 55,359.18 : x
  2. Step 2: Convert to fraction form
    107,983.26/161,974.90 = 55,359.18/x
  3. Step 3: Cross multiply
    107,983.26x = 161,974.90 × 55,359.18
  4. Step 4: Simplify right side
    107,983.26x = 8,966,796,834.71
  5. Step 5: Solve for x
    x = 8,966,796,834.71/107,983.26
  6. Step 6: Final answer
    x = 83,038.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.