Home / 170,132.30-255,307.80-99,054.80

Finding the Fourth Proportional to 170,132.30, 255,307.80 and 99,054.80

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Solution

The fourth proportional to 170,132.30, 255,307.80 and 99,054.80 is: 148,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,132.30 : 255,307.80 = 99,054.80 : x
  2. Step 2: Convert to fraction form
    170,132.30/255,307.80 = 99,054.80/x
  3. Step 3: Cross multiply
    170,132.30x = 255,307.80 × 99,054.80
  4. Step 4: Simplify right side
    170,132.30x = 25,289,463,067.44
  5. Step 5: Solve for x
    x = 25,289,463,067.44/170,132.30
  6. Step 6: Final answer
    x = 148,645.87

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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.