Home / 152,035.07-227,877.51-81,766.76

Finding the Fourth Proportional to 152,035.07, 227,877.51 and 81,766.76

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Solution

The fourth proportional to 152,035.07, 227,877.51 and 81,766.76 is: 122,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,035.07 : 227,877.51 = 81,766.76 : x
  2. Step 2: Convert to fraction form
    152,035.07/227,877.51 = 81,766.76/x
  3. Step 3: Cross multiply
    152,035.07x = 227,877.51 × 81,766.76
  4. Step 4: Simplify right side
    152,035.07x = 18,632,805,669.57
  5. Step 5: Solve for x
    x = 18,632,805,669.57/152,035.07
  6. Step 6: Final answer
    x = 122,555.97

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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.