Home / 137,746.55-206,525.48-70,147.73

Finding the Fourth Proportional to 137,746.55, 206,525.48 and 70,147.73

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Solution

The fourth proportional to 137,746.55, 206,525.48 and 70,147.73 is: 105,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.55 : 206,525.48 = 70,147.73 : x
  2. Step 2: Convert to fraction form
    137,746.55/206,525.48 = 70,147.73/x
  3. Step 3: Cross multiply
    137,746.55x = 206,525.48 × 70,147.73
  4. Step 4: Simplify right side
    137,746.55x = 14,487,293,609.16
  5. Step 5: Solve for x
    x = 14,487,293,609.16/137,746.55
  6. Step 6: Final answer
    x = 105,173.55

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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.