Home / 254,425.39-381,682.08-85,946.95

Finding the Fourth Proportional to 254,425.39, 381,682.08 and 85,946.95

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Solution

The fourth proportional to 254,425.39, 381,682.08 and 85,946.95 is: 128,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,425.39 : 381,682.08 = 85,946.95 : x
  2. Step 2: Convert to fraction form
    254,425.39/381,682.08 = 85,946.95/x
  3. Step 3: Cross multiply
    254,425.39x = 381,682.08 × 85,946.95
  4. Step 4: Simplify right side
    254,425.39x = 32,804,410,645.66
  5. Step 5: Solve for x
    x = 32,804,410,645.66/254,425.39
  6. Step 6: Final answer
    x = 128,935.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.