Home / 212,101.44-318,150.72-64,357.44

Finding the Fourth Proportional to 212,101.44, 318,150.72 and 64,357.44

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Solution

The fourth proportional to 212,101.44, 318,150.72 and 64,357.44 is: 96,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,101.44 : 318,150.72 = 64,357.44 : x
  2. Step 2: Convert to fraction form
    212,101.44/318,150.72 = 64,357.44/x
  3. Step 3: Cross multiply
    212,101.44x = 318,150.72 × 64,357.44
  4. Step 4: Simplify right side
    212,101.44x = 20,475,365,873.36
  5. Step 5: Solve for x
    x = 20,475,365,873.36/212,101.44
  6. Step 6: Final answer
    x = 96,535.72

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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.