Home / 94,113.90-140,502.60-90,177.30

Finding the Fourth Proportional to 94,113.90, 140,502.60 and 90,177.30

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Solution

The fourth proportional to 94,113.90, 140,502.60 and 90,177.30 is: 134,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,113.90 : 140,502.60 = 90,177.30 : x
  2. Step 2: Convert to fraction form
    94,113.90/140,502.60 = 90,177.30/x
  3. Step 3: Cross multiply
    94,113.90x = 140,502.60 × 90,177.30
  4. Step 4: Simplify right side
    94,113.90x = 12,670,145,110.98
  5. Step 5: Solve for x
    x = 12,670,145,110.98/94,113.90
  6. Step 6: Final answer
    x = 134,625.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.