Home / 159,861.39-220,592.95-88,236.75

Finding the Fourth Proportional to 159,861.39, 220,592.95 and 88,236.75

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Solution

The fourth proportional to 159,861.39, 220,592.95 and 88,236.75 is: 121,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,861.39 : 220,592.95 = 88,236.75 : x
  2. Step 2: Convert to fraction form
    159,861.39/220,592.95 = 88,236.75/x
  3. Step 3: Cross multiply
    159,861.39x = 220,592.95 × 88,236.75
  4. Step 4: Simplify right side
    159,861.39x = 19,464,404,980.91
  5. Step 5: Solve for x
    x = 19,464,404,980.91/159,861.39
  6. Step 6: Final answer
    x = 121,758.01

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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.