Home / 138,032.48-206,909.22-53,740.10

Finding the Fourth Proportional to 138,032.48, 206,909.22 and 53,740.10

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Solution

The fourth proportional to 138,032.48, 206,909.22 and 53,740.10 is: 80,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,032.48 : 206,909.22 = 53,740.10 : x
  2. Step 2: Convert to fraction form
    138,032.48/206,909.22 = 53,740.10/x
  3. Step 3: Cross multiply
    138,032.48x = 206,909.22 × 53,740.10
  4. Step 4: Simplify right side
    138,032.48x = 11,119,322,173.72
  5. Step 5: Solve for x
    x = 11,119,322,173.72/138,032.48
  6. Step 6: Final answer
    x = 80,555.84

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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.