Home / 99,983.92-149,971.92-55,582.60

Finding the Fourth Proportional to 99,983.92, 149,971.92 and 55,582.60

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Solution

The fourth proportional to 99,983.92, 149,971.92 and 55,582.60 is: 83,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,983.92 : 149,971.92 = 55,582.60 : x
  2. Step 2: Convert to fraction form
    99,983.92/149,971.92 = 55,582.60/x
  3. Step 3: Cross multiply
    99,983.92x = 149,971.92 × 55,582.60
  4. Step 4: Simplify right side
    99,983.92x = 8,335,829,240.59
  5. Step 5: Solve for x
    x = 8,335,829,240.59/99,983.92
  6. Step 6: Final answer
    x = 83,371.70

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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.