Home / 115,565.60-173,233.20-53,127.20

Finding the Fourth Proportional to 115,565.60, 173,233.20 and 53,127.20

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Solution

The fourth proportional to 115,565.60, 173,233.20 and 53,127.20 is: 79,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,565.60 : 173,233.20 = 53,127.20 : x
  2. Step 2: Convert to fraction form
    115,565.60/173,233.20 = 53,127.20/x
  3. Step 3: Cross multiply
    115,565.60x = 173,233.20 × 53,127.20
  4. Step 4: Simplify right side
    115,565.60x = 9,203,394,863.04
  5. Step 5: Solve for x
    x = 9,203,394,863.04/115,565.60
  6. Step 6: Final answer
    x = 79,637.84

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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.