Home / 123,609.26-185,223.05-83,470.94

Finding the Fourth Proportional to 123,609.26, 185,223.05 and 83,470.94

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Solution

The fourth proportional to 123,609.26, 185,223.05 and 83,470.94 is: 125,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,609.26 : 185,223.05 = 83,470.94 : x
  2. Step 2: Convert to fraction form
    123,609.26/185,223.05 = 83,470.94/x
  3. Step 3: Cross multiply
    123,609.26x = 185,223.05 × 83,470.94
  4. Step 4: Simplify right side
    123,609.26x = 15,460,742,138.87
  5. Step 5: Solve for x
    x = 15,460,742,138.87/123,609.26
  6. Step 6: Final answer
    x = 125,077.54

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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.