Home / 115,240.24-172,859.06-29,850.72

Finding the Fourth Proportional to 115,240.24, 172,859.06 and 29,850.72

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Solution

The fourth proportional to 115,240.24, 172,859.06 and 29,850.72 is: 44,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,240.24 : 172,859.06 = 29,850.72 : x
  2. Step 2: Convert to fraction form
    115,240.24/172,859.06 = 29,850.72/x
  3. Step 3: Cross multiply
    115,240.24x = 172,859.06 × 29,850.72
  4. Step 4: Simplify right side
    115,240.24x = 5,159,967,399.52
  5. Step 5: Solve for x
    x = 5,159,967,399.52/115,240.24
  6. Step 6: Final answer
    x = 44,775.74

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1.5x scale

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.