Home / 127,451.42-191,164.70-38,705.69

Finding the Fourth Proportional to 127,451.42, 191,164.70 and 38,705.69

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Solution

The fourth proportional to 127,451.42, 191,164.70 and 38,705.69 is: 58,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,451.42 : 191,164.70 = 38,705.69 : x
  2. Step 2: Convert to fraction form
    127,451.42/191,164.70 = 38,705.69/x
  3. Step 3: Cross multiply
    127,451.42x = 191,164.70 × 38,705.69
  4. Step 4: Simplify right side
    127,451.42x = 7,399,160,758.08
  5. Step 5: Solve for x
    x = 7,399,160,758.08/127,451.42
  6. Step 6: Final answer
    x = 58,054.76

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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.