Home / 141,966.50-212,985.75-53,220.26

Finding the Fourth Proportional to 141,966.50, 212,985.75 and 53,220.26

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Solution

The fourth proportional to 141,966.50, 212,985.75 and 53,220.26 is: 79,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.50 : 212,985.75 = 53,220.26 : x
  2. Step 2: Convert to fraction form
    141,966.50/212,985.75 = 53,220.26/x
  3. Step 3: Cross multiply
    141,966.50x = 212,985.75 × 53,220.26
  4. Step 4: Simplify right side
    141,966.50x = 11,335,156,991.30
  5. Step 5: Solve for x
    x = 11,335,156,991.30/141,966.50
  6. Step 6: Final answer
    x = 79,843.89

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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.