Home / 151,452.91-209,004.33-83,469.74

Finding the Fourth Proportional to 151,452.91, 209,004.33 and 83,469.74

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Solution

The fourth proportional to 151,452.91, 209,004.33 and 83,469.74 is: 115,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,452.91 : 209,004.33 = 83,469.74 : x
  2. Step 2: Convert to fraction form
    151,452.91/209,004.33 = 83,469.74/x
  3. Step 3: Cross multiply
    151,452.91x = 209,004.33 × 83,469.74
  4. Step 4: Simplify right side
    151,452.91x = 17,445,536,038.95
  5. Step 5: Solve for x
    x = 17,445,536,038.95/151,452.91
  6. Step 6: Final answer
    x = 115,187.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.