Home / 180,504.48-271,005.18-91,818

Finding the Fourth Proportional to 180,504.48, 271,005.18 and 91,818

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Solution

The fourth proportional to 180,504.48, 271,005.18 and 91,818 is: 137,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,504.48 : 271,005.18 = 91,818 : x
  2. Step 2: Convert to fraction form
    180,504.48/271,005.18 = 91,818/x
  3. Step 3: Cross multiply
    180,504.48x = 271,005.18 × 91,818
  4. Step 4: Simplify right side
    180,504.48x = 24,883,153,617.24
  5. Step 5: Solve for x
    x = 24,883,153,617.24/180,504.48
  6. Step 6: Final answer
    x = 137,853.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.