Home / 127,814.70-191,722.05-34,329.90

Finding the Fourth Proportional to 127,814.70, 191,722.05 and 34,329.90

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Solution

The fourth proportional to 127,814.70, 191,722.05 and 34,329.90 is: 51,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.70 : 191,722.05 = 34,329.90 : x
  2. Step 2: Convert to fraction form
    127,814.70/191,722.05 = 34,329.90/x
  3. Step 3: Cross multiply
    127,814.70x = 191,722.05 × 34,329.90
  4. Step 4: Simplify right side
    127,814.70x = 6,581,798,804.30
  5. Step 5: Solve for x
    x = 6,581,798,804.30/127,814.70
  6. Step 6: Final answer
    x = 51,494.85

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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.