Home / 203,336.12-280,599.06-118,447.70

Finding the Fourth Proportional to 203,336.12, 280,599.06 and 118,447.70

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Solution

The fourth proportional to 203,336.12, 280,599.06 and 118,447.70 is: 163,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,336.12 : 280,599.06 = 118,447.70 : x
  2. Step 2: Convert to fraction form
    203,336.12/280,599.06 = 118,447.70/x
  3. Step 3: Cross multiply
    203,336.12x = 280,599.06 × 118,447.70
  4. Step 4: Simplify right side
    203,336.12x = 33,236,313,279.16
  5. Step 5: Solve for x
    x = 33,236,313,279.16/203,336.12
  6. Step 6: Final answer
    x = 163,455.04

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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.