Home / 127,449.38-191,141.26-52,590.80

Finding the Fourth Proportional to 127,449.38, 191,141.26 and 52,590.80

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Solution

The fourth proportional to 127,449.38, 191,141.26 and 52,590.80 is: 78,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,449.38 : 191,141.26 = 52,590.80 : x
  2. Step 2: Convert to fraction form
    127,449.38/191,141.26 = 52,590.80/x
  3. Step 3: Cross multiply
    127,449.38x = 191,141.26 × 52,590.80
  4. Step 4: Simplify right side
    127,449.38x = 10,052,271,776.41
  5. Step 5: Solve for x
    x = 10,052,271,776.41/127,449.38
  6. Step 6: Final answer
    x = 78,872.66

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1.5x scale

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.