Home / 150,402.72-207,544.77-82,408.89

Finding the Fourth Proportional to 150,402.72, 207,544.77 and 82,408.89

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Solution

The fourth proportional to 150,402.72, 207,544.77 and 82,408.89 is: 113,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,402.72 : 207,544.77 = 82,408.89 : x
  2. Step 2: Convert to fraction form
    150,402.72/207,544.77 = 82,408.89/x
  3. Step 3: Cross multiply
    150,402.72x = 207,544.77 × 82,408.89
  4. Step 4: Simplify right side
    150,402.72x = 17,103,534,121.01
  5. Step 5: Solve for x
    x = 17,103,534,121.01/150,402.72
  6. Step 6: Final answer
    x = 113,718.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.