Home / 203,119.48-280,301.44-112,473.50

Finding the Fourth Proportional to 203,119.48, 280,301.44 and 112,473.50

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Solution

The fourth proportional to 203,119.48, 280,301.44 and 112,473.50 is: 155,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,119.48 : 280,301.44 = 112,473.50 : x
  2. Step 2: Convert to fraction form
    203,119.48/280,301.44 = 112,473.50/x
  3. Step 3: Cross multiply
    203,119.48x = 280,301.44 × 112,473.50
  4. Step 4: Simplify right side
    203,119.48x = 31,526,485,182.10
  5. Step 5: Solve for x
    x = 31,526,485,182.10/203,119.48
  6. Step 6: Final answer
    x = 155,211.53

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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.