Home / 127,813.52-191,721.50-34,319.27

Finding the Fourth Proportional to 127,813.52, 191,721.50 and 34,319.27

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Solution

The fourth proportional to 127,813.52, 191,721.50 and 34,319.27 is: 51,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813.52 : 191,721.50 = 34,319.27 : x
  2. Step 2: Convert to fraction form
    127,813.52/191,721.50 = 34,319.27/x
  3. Step 3: Cross multiply
    127,813.52x = 191,721.50 × 34,319.27
  4. Step 4: Simplify right side
    127,813.52x = 6,579,741,923.31
  5. Step 5: Solve for x
    x = 6,579,741,923.31/127,813.52
  6. Step 6: Final answer
    x = 51,479.23

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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.