Home / 152,102.12-228,135.76-39,793.18

Finding the Fourth Proportional to 152,102.12, 228,135.76 and 39,793.18

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Solution

The fourth proportional to 152,102.12, 228,135.76 and 39,793.18 is: 59,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,102.12 : 228,135.76 = 39,793.18 : x
  2. Step 2: Convert to fraction form
    152,102.12/228,135.76 = 39,793.18/x
  3. Step 3: Cross multiply
    152,102.12x = 228,135.76 × 39,793.18
  4. Step 4: Simplify right side
    152,102.12x = 9,078,247,677.74
  5. Step 5: Solve for x
    x = 9,078,247,677.74/152,102.12
  6. Step 6: Final answer
    x = 59,685.21

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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.