Home / 127,730.52-191,581.20-34,228.98

Finding the Fourth Proportional to 127,730.52, 191,581.20 and 34,228.98

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Solution

The fourth proportional to 127,730.52, 191,581.20 and 34,228.98 is: 51,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,730.52 : 191,581.20 = 34,228.98 : x
  2. Step 2: Convert to fraction form
    127,730.52/191,581.20 = 34,228.98/x
  3. Step 3: Cross multiply
    127,730.52x = 191,581.20 × 34,228.98
  4. Step 4: Simplify right side
    127,730.52x = 6,557,629,063.18
  5. Step 5: Solve for x
    x = 6,557,629,063.18/127,730.52
  6. Step 6: Final answer
    x = 51,339.56

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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.