Home / 212,922.80-319,594.35-113,082.71

Finding the Fourth Proportional to 212,922.80, 319,594.35 and 113,082.71

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Solution

The fourth proportional to 212,922.80, 319,594.35 and 113,082.71 is: 169,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,922.80 : 319,594.35 = 113,082.71 : x
  2. Step 2: Convert to fraction form
    212,922.80/319,594.35 = 113,082.71/x
  3. Step 3: Cross multiply
    212,922.80x = 319,594.35 × 113,082.71
  4. Step 4: Simplify right side
    212,922.80x = 36,140,593,600.72
  5. Step 5: Solve for x
    x = 36,140,593,600.72/212,922.80
  6. Step 6: Final answer
    x = 169,735.67

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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.