Home / 140,310.88-193,594.32-90,077.92

Finding the Fourth Proportional to 140,310.88, 193,594.32 and 90,077.92

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Solution

The fourth proportional to 140,310.88, 193,594.32 and 90,077.92 is: 124,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,310.88 : 193,594.32 = 90,077.92 : x
  2. Step 2: Convert to fraction form
    140,310.88/193,594.32 = 90,077.92/x
  3. Step 3: Cross multiply
    140,310.88x = 193,594.32 × 90,077.92
  4. Step 4: Simplify right side
    140,310.88x = 17,438,573,669.41
  5. Step 5: Solve for x
    x = 17,438,573,669.41/140,310.88
  6. Step 6: Final answer
    x = 124,285.26

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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.