Home / 127,400.40-191,100.60-48,551.12

Finding the Fourth Proportional to 127,400.40, 191,100.60 and 48,551.12

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Solution

The fourth proportional to 127,400.40, 191,100.60 and 48,551.12 is: 72,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,400.40 : 191,100.60 = 48,551.12 : x
  2. Step 2: Convert to fraction form
    127,400.40/191,100.60 = 48,551.12/x
  3. Step 3: Cross multiply
    127,400.40x = 191,100.60 × 48,551.12
  4. Step 4: Simplify right side
    127,400.40x = 9,278,148,162.67
  5. Step 5: Solve for x
    x = 9,278,148,162.67/127,400.40
  6. Step 6: Final answer
    x = 72,826.68

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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.