Home / 159,147.32-219,623.38-87,532.20

Finding the Fourth Proportional to 159,147.32, 219,623.38 and 87,532.20

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Solution

The fourth proportional to 159,147.32, 219,623.38 and 87,532.20 is: 120,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,147.32 : 219,623.38 = 87,532.20 : x
  2. Step 2: Convert to fraction form
    159,147.32/219,623.38 = 87,532.20/x
  3. Step 3: Cross multiply
    159,147.32x = 219,623.38 × 87,532.20
  4. Step 4: Simplify right side
    159,147.32x = 19,224,117,622.84
  5. Step 5: Solve for x
    x = 19,224,117,622.84/159,147.32
  6. Step 6: Final answer
    x = 120,794.48

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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.