Home / 151,772.23-209,452.48-87,262.36

Finding the Fourth Proportional to 151,772.23, 209,452.48 and 87,262.36

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Solution

The fourth proportional to 151,772.23, 209,452.48 and 87,262.36 is: 120,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,772.23 : 209,452.48 = 87,262.36 : x
  2. Step 2: Convert to fraction form
    151,772.23/209,452.48 = 87,262.36/x
  3. Step 3: Cross multiply
    151,772.23x = 209,452.48 × 87,262.36
  4. Step 4: Simplify right side
    151,772.23x = 18,277,318,639.89
  5. Step 5: Solve for x
    x = 18,277,318,639.89/151,772.23
  6. Step 6: Final answer
    x = 120,425.97

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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.