Home / 203,132.39-280,322.44-112,488.24

Finding the Fourth Proportional to 203,132.39, 280,322.44 and 112,488.24

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Solution

The fourth proportional to 203,132.39, 280,322.44 and 112,488.24 is: 155,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,132.39 : 280,322.44 = 112,488.24 : x
  2. Step 2: Convert to fraction form
    203,132.39/280,322.44 = 112,488.24/x
  3. Step 3: Cross multiply
    203,132.39x = 280,322.44 × 112,488.24
  4. Step 4: Simplify right side
    203,132.39x = 31,532,978,279.82
  5. Step 5: Solve for x
    x = 31,532,978,279.82/203,132.39
  6. Step 6: Final answer
    x = 155,233.63

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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.