Home / 141,410.08-212,059.53-51,431.43

Finding the Fourth Proportional to 141,410.08, 212,059.53 and 51,431.43

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Solution

The fourth proportional to 141,410.08, 212,059.53 and 51,431.43 is: 77,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,410.08 : 212,059.53 = 51,431.43 : x
  2. Step 2: Convert to fraction form
    141,410.08/212,059.53 = 51,431.43/x
  3. Step 3: Cross multiply
    141,410.08x = 212,059.53 × 51,431.43
  4. Step 4: Simplify right side
    141,410.08x = 10,906,524,873.03
  5. Step 5: Solve for x
    x = 10,906,524,873.03/141,410.08
  6. Step 6: Final answer
    x = 77,126.93

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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.