Home / 127,596.75-191,330.78-74,305.95

Finding the Fourth Proportional to 127,596.75, 191,330.78 and 74,305.95

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Solution

The fourth proportional to 127,596.75, 191,330.78 and 74,305.95 is: 111,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,596.75 : 191,330.78 = 74,305.95 : x
  2. Step 2: Convert to fraction form
    127,596.75/191,330.78 = 74,305.95/x
  3. Step 3: Cross multiply
    127,596.75x = 191,330.78 × 74,305.95
  4. Step 4: Simplify right side
    127,596.75x = 14,217,015,000.61
  5. Step 5: Solve for x
    x = 14,217,015,000.61/127,596.75
  6. Step 6: Final answer
    x = 111,421.45

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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.