Home / 214,734.80-322,145.40-74,464.40

Finding the Fourth Proportional to 214,734.80, 322,145.40 and 74,464.40

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Solution

The fourth proportional to 214,734.80, 322,145.40 and 74,464.40 is: 111,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,734.80 : 322,145.40 = 74,464.40 : x
  2. Step 2: Convert to fraction form
    214,734.80/322,145.40 = 74,464.40/x
  3. Step 3: Cross multiply
    214,734.80x = 322,145.40 × 74,464.40
  4. Step 4: Simplify right side
    214,734.80x = 23,988,363,923.76
  5. Step 5: Solve for x
    x = 23,988,363,923.76/214,734.80
  6. Step 6: Final answer
    x = 111,711.58

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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.