Home / 223,122.50-307,878.06-131,245.95

Finding the Fourth Proportional to 223,122.50, 307,878.06 and 131,245.95

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Solution

The fourth proportional to 223,122.50, 307,878.06 and 131,245.95 is: 181,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,122.50 : 307,878.06 = 131,245.95 : x
  2. Step 2: Convert to fraction form
    223,122.50/307,878.06 = 131,245.95/x
  3. Step 3: Cross multiply
    223,122.50x = 307,878.06 × 131,245.95
  4. Step 4: Simplify right side
    223,122.50x = 40,407,748,468.86
  5. Step 5: Solve for x
    x = 40,407,748,468.86/223,122.50
  6. Step 6: Final answer
    x = 181,101.18

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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.