Home / 201,764.24-278,435.40-112,340.24

Finding the Fourth Proportional to 201,764.24, 278,435.40 and 112,340.24

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Solution

The fourth proportional to 201,764.24, 278,435.40 and 112,340.24 is: 155,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,764.24 : 278,435.40 = 112,340.24 : x
  2. Step 2: Convert to fraction form
    201,764.24/278,435.40 = 112,340.24/x
  3. Step 3: Cross multiply
    201,764.24x = 278,435.40 × 112,340.24
  4. Step 4: Simplify right side
    201,764.24x = 31,279,499,660.50
  5. Step 5: Solve for x
    x = 31,279,499,660.50/201,764.24
  6. Step 6: Final answer
    x = 155,029.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.