Home / 115,029.75-172,544.67-31,923.75

Finding the Fourth Proportional to 115,029.75, 172,544.67 and 31,923.75

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Solution

The fourth proportional to 115,029.75, 172,544.67 and 31,923.75 is: 47,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,029.75 : 172,544.67 = 31,923.75 : x
  2. Step 2: Convert to fraction form
    115,029.75/172,544.67 = 31,923.75/x
  3. Step 3: Cross multiply
    115,029.75x = 172,544.67 × 31,923.75
  4. Step 4: Simplify right side
    115,029.75x = 5,508,272,908.91
  5. Step 5: Solve for x
    x = 5,508,272,908.91/115,029.75
  6. Step 6: Final answer
    x = 47,885.64

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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.