Home / 250,774.39-376,190.12-90,925.60

Finding the Fourth Proportional to 250,774.39, 376,190.12 and 90,925.60

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Solution

The fourth proportional to 250,774.39, 376,190.12 and 90,925.60 is: 136,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,774.39 : 376,190.12 = 90,925.60 : x
  2. Step 2: Convert to fraction form
    250,774.39/376,190.12 = 90,925.60/x
  3. Step 3: Cross multiply
    250,774.39x = 376,190.12 × 90,925.60
  4. Step 4: Simplify right side
    250,774.39x = 34,205,311,706.00
  5. Step 5: Solve for x
    x = 34,205,311,706.00/250,774.39
  6. Step 6: Final answer
    x = 136,398.75

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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.