Home / 109,224.80-163,837.20-42,667.10

Finding the Fourth Proportional to 109,224.80, 163,837.20 and 42,667.10

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Solution

The fourth proportional to 109,224.80, 163,837.20 and 42,667.10 is: 64,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,224.80 : 163,837.20 = 42,667.10 : x
  2. Step 2: Convert to fraction form
    109,224.80/163,837.20 = 42,667.10/x
  3. Step 3: Cross multiply
    109,224.80x = 163,837.20 × 42,667.10
  4. Step 4: Simplify right side
    109,224.80x = 6,990,458,196.12
  5. Step 5: Solve for x
    x = 6,990,458,196.12/109,224.80
  6. Step 6: Final answer
    x = 64,000.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.