Home / 154,552.26-213,249.33-90,866.82

Finding the Fourth Proportional to 154,552.26, 213,249.33 and 90,866.82

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Solution

The fourth proportional to 154,552.26, 213,249.33 and 90,866.82 is: 125,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,552.26 : 213,249.33 = 90,866.82 : x
  2. Step 2: Convert to fraction form
    154,552.26/213,249.33 = 90,866.82/x
  3. Step 3: Cross multiply
    154,552.26x = 213,249.33 × 90,866.82
  4. Step 4: Simplify right side
    154,552.26x = 19,377,288,484.23
  5. Step 5: Solve for x
    x = 19,377,288,484.23/154,552.26
  6. Step 6: Final answer
    x = 125,376.93

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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.