Home / 146,516.20-219,947.10-83,386.60

Finding the Fourth Proportional to 146,516.20, 219,947.10 and 83,386.60

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Solution

The fourth proportional to 146,516.20, 219,947.10 and 83,386.60 is: 125,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,516.20 : 219,947.10 = 83,386.60 : x
  2. Step 2: Convert to fraction form
    146,516.20/219,947.10 = 83,386.60/x
  3. Step 3: Cross multiply
    146,516.20x = 219,947.10 × 83,386.60
  4. Step 4: Simplify right side
    146,516.20x = 18,340,640,848.86
  5. Step 5: Solve for x
    x = 18,340,640,848.86/146,516.20
  6. Step 6: Final answer
    x = 125,178.25

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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.