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Finding the Fourth Proportional to 185,641.23, 255,991.23 and 110,175.15

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Solution

The fourth proportional to 185,641.23, 255,991.23 and 110,175.15 is: 151,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,641.23 : 255,991.23 = 110,175.15 : x
  2. Step 2: Convert to fraction form
    185,641.23/255,991.23 = 110,175.15/x
  3. Step 3: Cross multiply
    185,641.23x = 255,991.23 × 110,175.15
  4. Step 4: Simplify right side
    185,641.23x = 28,203,872,163.93
  5. Step 5: Solve for x
    x = 28,203,872,163.93/185,641.23
  6. Step 6: Final answer
    x = 151,926.77

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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.