Home / 138,973.96-208,473.24-39,135.04

Finding the Fourth Proportional to 138,973.96, 208,473.24 and 39,135.04

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Solution

The fourth proportional to 138,973.96, 208,473.24 and 39,135.04 is: 58,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,973.96 : 208,473.24 = 39,135.04 : x
  2. Step 2: Convert to fraction form
    138,973.96/208,473.24 = 39,135.04/x
  3. Step 3: Cross multiply
    138,973.96x = 208,473.24 × 39,135.04
  4. Step 4: Simplify right side
    138,973.96x = 8,158,608,586.33
  5. Step 5: Solve for x
    x = 8,158,608,586.33/138,973.96
  6. Step 6: Final answer
    x = 58,706.02

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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.