Home / 180,380.43-248,925.29-99,811.35

Finding the Fourth Proportional to 180,380.43, 248,925.29 and 99,811.35

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Solution

The fourth proportional to 180,380.43, 248,925.29 and 99,811.35 is: 137,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,380.43 : 248,925.29 = 99,811.35 : x
  2. Step 2: Convert to fraction form
    180,380.43/248,925.29 = 99,811.35/x
  3. Step 3: Cross multiply
    180,380.43x = 248,925.29 × 99,811.35
  4. Step 4: Simplify right side
    180,380.43x = 24,845,568,744.98
  5. Step 5: Solve for x
    x = 24,845,568,744.98/180,380.43
  6. Step 6: Final answer
    x = 137,739.82

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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.