Home / 136,224.72-204,337.62-47,478.06

Finding the Fourth Proportional to 136,224.72, 204,337.62 and 47,478.06

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Solution

The fourth proportional to 136,224.72, 204,337.62 and 47,478.06 is: 71,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,224.72 : 204,337.62 = 47,478.06 : x
  2. Step 2: Convert to fraction form
    136,224.72/204,337.62 = 47,478.06/x
  3. Step 3: Cross multiply
    136,224.72x = 204,337.62 × 47,478.06
  4. Step 4: Simplify right side
    136,224.72x = 9,701,553,782.62
  5. Step 5: Solve for x
    x = 9,701,553,782.62/136,224.72
  6. Step 6: Final answer
    x = 71,217.28

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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.