Home / 137,295.20-205,724.10-101,865.80

Finding the Fourth Proportional to 137,295.20, 205,724.10 and 101,865.80

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Solution

The fourth proportional to 137,295.20, 205,724.10 and 101,865.80 is: 152,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,295.20 : 205,724.10 = 101,865.80 : x
  2. Step 2: Convert to fraction form
    137,295.20/205,724.10 = 101,865.80/x
  3. Step 3: Cross multiply
    137,295.20x = 205,724.10 × 101,865.80
  4. Step 4: Simplify right side
    137,295.20x = 20,956,250,025.78
  5. Step 5: Solve for x
    x = 20,956,250,025.78/137,295.20
  6. Step 6: Final answer
    x = 152,636.44

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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.