Home / 151,508.35-209,069.24-87,850.25

Finding the Fourth Proportional to 151,508.35, 209,069.24 and 87,850.25

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Solution

The fourth proportional to 151,508.35, 209,069.24 and 87,850.25 is: 121,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,508.35 : 209,069.24 = 87,850.25 : x
  2. Step 2: Convert to fraction form
    151,508.35/209,069.24 = 87,850.25/x
  3. Step 3: Cross multiply
    151,508.35x = 209,069.24 × 87,850.25
  4. Step 4: Simplify right side
    151,508.35x = 18,366,784,300.72
  5. Step 5: Solve for x
    x = 18,366,784,300.72/151,508.35
  6. Step 6: Final answer
    x = 121,226.22

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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.