Home / 96,902.85-133,766.94-90,849.72

Finding the Fourth Proportional to 96,902.85, 133,766.94 and 90,849.72

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Solution

The fourth proportional to 96,902.85, 133,766.94 and 90,849.72 is: 125,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,902.85 : 133,766.94 = 90,849.72 : x
  2. Step 2: Convert to fraction form
    96,902.85/133,766.94 = 90,849.72/x
  3. Step 3: Cross multiply
    96,902.85x = 133,766.94 × 90,849.72
  4. Step 4: Simplify right side
    96,902.85x = 12,152,689,044.26
  5. Step 5: Solve for x
    x = 12,152,689,044.26/96,902.85
  6. Step 6: Final answer
    x = 125,411.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.