Home / 109,199.74-163,800.53-30,320.12

Finding the Fourth Proportional to 109,199.74, 163,800.53 and 30,320.12

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Solution

The fourth proportional to 109,199.74, 163,800.53 and 30,320.12 is: 45,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,199.74 : 163,800.53 = 30,320.12 : x
  2. Step 2: Convert to fraction form
    109,199.74/163,800.53 = 30,320.12/x
  3. Step 3: Cross multiply
    109,199.74x = 163,800.53 × 30,320.12
  4. Step 4: Simplify right side
    109,199.74x = 4,966,451,725.66
  5. Step 5: Solve for x
    x = 4,966,451,725.66/109,199.74
  6. Step 6: Final answer
    x = 45,480.44

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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.