Home / 147,781.40-221,703.27-47,933.84

Finding the Fourth Proportional to 147,781.40, 221,703.27 and 47,933.84

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Solution

The fourth proportional to 147,781.40, 221,703.27 and 47,933.84 is: 71,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,781.40 : 221,703.27 = 47,933.84 : x
  2. Step 2: Convert to fraction form
    147,781.40/221,703.27 = 47,933.84/x
  3. Step 3: Cross multiply
    147,781.40x = 221,703.27 × 47,933.84
  4. Step 4: Simplify right side
    147,781.40x = 10,627,087,723.47
  5. Step 5: Solve for x
    x = 10,627,087,723.47/147,781.40
  6. Step 6: Final answer
    x = 71,910.86

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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.