Home / 143,218.64-214,926.56-49,724.40

Finding the Fourth Proportional to 143,218.64, 214,926.56 and 49,724.40

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Solution

The fourth proportional to 143,218.64, 214,926.56 and 49,724.40 is: 74,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,218.64 : 214,926.56 = 49,724.40 : x
  2. Step 2: Convert to fraction form
    143,218.64/214,926.56 = 49,724.40/x
  3. Step 3: Cross multiply
    143,218.64x = 214,926.56 × 49,724.40
  4. Step 4: Simplify right side
    143,218.64x = 10,687,094,240.06
  5. Step 5: Solve for x
    x = 10,687,094,240.06/143,218.64
  6. Step 6: Final answer
    x = 74,620.83

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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.