Home / 105,867.90-158,815.67-55,949.93

Finding the Fourth Proportional to 105,867.90, 158,815.67 and 55,949.93

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Solution

The fourth proportional to 105,867.90, 158,815.67 and 55,949.93 is: 83,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,867.90 : 158,815.67 = 55,949.93 : x
  2. Step 2: Convert to fraction form
    105,867.90/158,815.67 = 55,949.93/x
  3. Step 3: Cross multiply
    105,867.90x = 158,815.67 × 55,949.93
  4. Step 4: Simplify right side
    105,867.90x = 8,885,725,619.40
  5. Step 5: Solve for x
    x = 8,885,725,619.40/105,867.90
  6. Step 6: Final answer
    x = 83,932.20

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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.