Home / 95,219.69-142,834.07-78,548.81

Finding the Fourth Proportional to 95,219.69, 142,834.07 and 78,548.81

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Solution

The fourth proportional to 95,219.69, 142,834.07 and 78,548.81 is: 117,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,219.69 : 142,834.07 = 78,548.81 : x
  2. Step 2: Convert to fraction form
    95,219.69/142,834.07 = 78,548.81/x
  3. Step 3: Cross multiply
    95,219.69x = 142,834.07 × 78,548.81
  4. Step 4: Simplify right side
    95,219.69x = 11,219,445,708.16
  5. Step 5: Solve for x
    x = 11,219,445,708.16/95,219.69
  6. Step 6: Final answer
    x = 117,826.96

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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.