Home / 203,016.04-280,154.96-112,372.18

Finding the Fourth Proportional to 203,016.04, 280,154.96 and 112,372.18

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Solution

The fourth proportional to 203,016.04, 280,154.96 and 112,372.18 is: 155,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,016.04 : 280,154.96 = 112,372.18 : x
  2. Step 2: Convert to fraction form
    203,016.04/280,154.96 = 112,372.18/x
  3. Step 3: Cross multiply
    203,016.04x = 280,154.96 × 112,372.18
  4. Step 4: Simplify right side
    203,016.04x = 31,481,623,593.01
  5. Step 5: Solve for x
    x = 31,481,623,593.01/203,016.04
  6. Step 6: Final answer
    x = 155,069.64

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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.