Home / 212,104.32-318,107.28-93,711.12

Finding the Fourth Proportional to 212,104.32, 318,107.28 and 93,711.12

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Solution

The fourth proportional to 212,104.32, 318,107.28 and 93,711.12 is: 140,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,104.32 : 318,107.28 = 93,711.12 : x
  2. Step 2: Convert to fraction form
    212,104.32/318,107.28 = 93,711.12/x
  3. Step 3: Cross multiply
    212,104.32x = 318,107.28 × 93,711.12
  4. Step 4: Simplify right side
    212,104.32x = 29,810,189,488.95
  5. Step 5: Solve for x
    x = 29,810,189,488.95/212,104.32
  6. Step 6: Final answer
    x = 140,544.94

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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.