Home / 212,238.05-318,396.45-70,093.17

Finding the Fourth Proportional to 212,238.05, 318,396.45 and 70,093.17

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Solution

The fourth proportional to 212,238.05, 318,396.45 and 70,093.17 is: 105,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,238.05 : 318,396.45 = 70,093.17 : x
  2. Step 2: Convert to fraction form
    212,238.05/318,396.45 = 70,093.17/x
  3. Step 3: Cross multiply
    212,238.05x = 318,396.45 × 70,093.17
  4. Step 4: Simplify right side
    212,238.05x = 22,317,416,146.78
  5. Step 5: Solve for x
    x = 22,317,416,146.78/212,238.05
  6. Step 6: Final answer
    x = 105,152.76

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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.