Home / 109,241.32-163,879.28-39,119.08

Finding the Fourth Proportional to 109,241.32, 163,879.28 and 39,119.08

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Solution

The fourth proportional to 109,241.32, 163,879.28 and 39,119.08 is: 58,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,241.32 : 163,879.28 = 39,119.08 : x
  2. Step 2: Convert to fraction form
    109,241.32/163,879.28 = 39,119.08/x
  3. Step 3: Cross multiply
    109,241.32x = 163,879.28 × 39,119.08
  4. Step 4: Simplify right side
    109,241.32x = 6,410,806,664.66
  5. Step 5: Solve for x
    x = 6,410,806,664.66/109,241.32
  6. Step 6: Final answer
    x = 58,684.82

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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.