Home / 140,922.89-211,381.89-47,428.64

Finding the Fourth Proportional to 140,922.89, 211,381.89 and 47,428.64

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Solution

The fourth proportional to 140,922.89, 211,381.89 and 47,428.64 is: 71,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,922.89 : 211,381.89 = 47,428.64 : x
  2. Step 2: Convert to fraction form
    140,922.89/211,381.89 = 47,428.64/x
  3. Step 3: Cross multiply
    140,922.89x = 211,381.89 × 47,428.64
  4. Step 4: Simplify right side
    140,922.89x = 10,025,554,506.42
  5. Step 5: Solve for x
    x = 10,025,554,506.42/140,922.89
  6. Step 6: Final answer
    x = 71,142.13

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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.