Home / 141,821.90-212,769.74-53,082.26

Finding the Fourth Proportional to 141,821.90, 212,769.74 and 53,082.26

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Solution

The fourth proportional to 141,821.90, 212,769.74 and 53,082.26 is: 79,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821.90 : 212,769.74 = 53,082.26 : x
  2. Step 2: Convert to fraction form
    141,821.90/212,769.74 = 53,082.26/x
  3. Step 3: Cross multiply
    141,821.90x = 212,769.74 × 53,082.26
  4. Step 4: Simplify right side
    141,821.90x = 11,294,297,727.67
  5. Step 5: Solve for x
    x = 11,294,297,727.67/141,821.90
  6. Step 6: Final answer
    x = 79,637.19

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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.