Home / 203,267.16-280,509.19-112,622.39

Finding the Fourth Proportional to 203,267.16, 280,509.19 and 112,622.39

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Solution

The fourth proportional to 203,267.16, 280,509.19 and 112,622.39 is: 155,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,267.16 : 280,509.19 = 112,622.39 : x
  2. Step 2: Convert to fraction form
    203,267.16/280,509.19 = 112,622.39/x
  3. Step 3: Cross multiply
    203,267.16x = 280,509.19 × 112,622.39
  4. Step 4: Simplify right side
    203,267.16x = 31,591,615,394.76
  5. Step 5: Solve for x
    x = 31,591,615,394.76/203,267.16
  6. Step 6: Final answer
    x = 155,419.18

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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.