Home / 199,544.32-299,228.40-74,797.84

Finding the Fourth Proportional to 199,544.32, 299,228.40 and 74,797.84

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Solution

The fourth proportional to 199,544.32, 299,228.40 and 74,797.84 is: 112,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544.32 : 299,228.40 = 74,797.84 : x
  2. Step 2: Convert to fraction form
    199,544.32/299,228.40 = 74,797.84/x
  3. Step 3: Cross multiply
    199,544.32x = 299,228.40 × 74,797.84
  4. Step 4: Simplify right side
    199,544.32x = 22,381,637,986.66
  5. Step 5: Solve for x
    x = 22,381,637,986.66/199,544.32
  6. Step 6: Final answer
    x = 112,163.74

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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.