Home / 109,793.08-151,515.62-64,471.60

Finding the Fourth Proportional to 109,793.08, 151,515.62 and 64,471.60

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Solution

The fourth proportional to 109,793.08, 151,515.62 and 64,471.60 is: 88,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,793.08 : 151,515.62 = 64,471.60 : x
  2. Step 2: Convert to fraction form
    109,793.08/151,515.62 = 64,471.60/x
  3. Step 3: Cross multiply
    109,793.08x = 151,515.62 × 64,471.60
  4. Step 4: Simplify right side
    109,793.08x = 9,768,454,446.39
  5. Step 5: Solve for x
    x = 9,768,454,446.39/109,793.08
  6. Step 6: Final answer
    x = 88,971.49

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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.