Home / 212,588.83-318,912.51-94,257.55

Finding the Fourth Proportional to 212,588.83, 318,912.51 and 94,257.55

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Solution

The fourth proportional to 212,588.83, 318,912.51 and 94,257.55 is: 141,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,588.83 : 318,912.51 = 94,257.55 : x
  2. Step 2: Convert to fraction form
    212,588.83/318,912.51 = 94,257.55/x
  3. Step 3: Cross multiply
    212,588.83x = 318,912.51 × 94,257.55
  4. Step 4: Simplify right side
    212,588.83x = 30,059,911,856.95
  5. Step 5: Solve for x
    x = 30,059,911,856.95/212,588.83
  6. Step 6: Final answer
    x = 141,399.30

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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.