Home / 212,257.05-318,263.46-126,953.11

Finding the Fourth Proportional to 212,257.05, 318,263.46 and 126,953.11

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Solution

The fourth proportional to 212,257.05, 318,263.46 and 126,953.11 is: 190,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,257.05 : 318,263.46 = 126,953.11 : x
  2. Step 2: Convert to fraction form
    212,257.05/318,263.46 = 126,953.11/x
  3. Step 3: Cross multiply
    212,257.05x = 318,263.46 × 126,953.11
  4. Step 4: Simplify right side
    212,257.05x = 40,404,536,046.36
  5. Step 5: Solve for x
    x = 40,404,536,046.36/212,257.05
  6. Step 6: Final answer
    x = 190,356.63

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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.