Home / 137,731.20-206,596.80-95,740.80

Finding the Fourth Proportional to 137,731.20, 206,596.80 and 95,740.80

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Solution

The fourth proportional to 137,731.20, 206,596.80 and 95,740.80 is: 143,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,731.20 : 206,596.80 = 95,740.80 : x
  2. Step 2: Convert to fraction form
    137,731.20/206,596.80 = 95,740.80/x
  3. Step 3: Cross multiply
    137,731.20x = 206,596.80 × 95,740.80
  4. Step 4: Simplify right side
    137,731.20x = 19,779,742,909.44
  5. Step 5: Solve for x
    x = 19,779,742,909.44/137,731.20
  6. Step 6: Final answer
    x = 143,611.20

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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.