Home / 141,716.78-212,501.35-52,897.24

Finding the Fourth Proportional to 141,716.78, 212,501.35 and 52,897.24

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Solution

The fourth proportional to 141,716.78, 212,501.35 and 52,897.24 is: 79,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,716.78 : 212,501.35 = 52,897.24 : x
  2. Step 2: Convert to fraction form
    141,716.78/212,501.35 = 52,897.24/x
  3. Step 3: Cross multiply
    141,716.78x = 212,501.35 × 52,897.24
  4. Step 4: Simplify right side
    141,716.78x = 11,240,734,911.27
  5. Step 5: Solve for x
    x = 11,240,734,911.27/141,716.78
  6. Step 6: Final answer
    x = 79,318.31

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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.