Home / 159,816.32-220,551.82-87,223.18

Finding the Fourth Proportional to 159,816.32, 220,551.82 and 87,223.18

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Solution

The fourth proportional to 159,816.32, 220,551.82 and 87,223.18 is: 120,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,816.32 : 220,551.82 = 87,223.18 : x
  2. Step 2: Convert to fraction form
    159,816.32/220,551.82 = 87,223.18/x
  3. Step 3: Cross multiply
    159,816.32x = 220,551.82 × 87,223.18
  4. Step 4: Simplify right side
    159,816.32x = 19,237,230,984.60
  5. Step 5: Solve for x
    x = 19,237,230,984.60/159,816.32
  6. Step 6: Final answer
    x = 120,370.88

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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.