Home / 105,810.76-158,725.46-39,251.60

Finding the Fourth Proportional to 105,810.76, 158,725.46 and 39,251.60

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Solution

The fourth proportional to 105,810.76, 158,725.46 and 39,251.60 is: 58,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,810.76 : 158,725.46 = 39,251.60 : x
  2. Step 2: Convert to fraction form
    105,810.76/158,725.46 = 39,251.60/x
  3. Step 3: Cross multiply
    105,810.76x = 158,725.46 × 39,251.60
  4. Step 4: Simplify right side
    105,810.76x = 6,230,228,265.74
  5. Step 5: Solve for x
    x = 6,230,228,265.74/105,810.76
  6. Step 6: Final answer
    x = 58,880.86

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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.