Home / 159,782.20-220,504.05-88,166.83

Finding the Fourth Proportional to 159,782.20, 220,504.05 and 88,166.83

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Solution

The fourth proportional to 159,782.20, 220,504.05 and 88,166.83 is: 121,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,782.20 : 220,504.05 = 88,166.83 : x
  2. Step 2: Convert to fraction form
    159,782.20/220,504.05 = 88,166.83/x
  3. Step 3: Cross multiply
    159,782.20x = 220,504.05 × 88,166.83
  4. Step 4: Simplify right side
    159,782.20x = 19,441,142,649.83
  5. Step 5: Solve for x
    x = 19,441,142,649.83/159,782.20
  6. Step 6: Final answer
    x = 121,672.77

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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.