Home / 131,463-181,764.60-125,587.80

Finding the Fourth Proportional to 131,463, 181,764.60 and 125,587.80

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Solution

The fourth proportional to 131,463, 181,764.60 and 125,587.80 is: 173,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,463 : 181,764.60 = 125,587.80 : x
  2. Step 2: Convert to fraction form
    131,463/181,764.60 = 125,587.80/x
  3. Step 3: Cross multiply
    131,463x = 181,764.60 × 125,587.80
  4. Step 4: Simplify right side
    131,463x = 22,827,416,231.88
  5. Step 5: Solve for x
    x = 22,827,416,231.88/131,463
  6. Step 6: Final answer
    x = 173,641.38

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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.