Home / 132,544.18-182,912.84-72,114.86

Finding the Fourth Proportional to 132,544.18, 182,912.84 and 72,114.86

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Solution

The fourth proportional to 132,544.18, 182,912.84 and 72,114.86 is: 99,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.18 : 182,912.84 = 72,114.86 : x
  2. Step 2: Convert to fraction form
    132,544.18/182,912.84 = 72,114.86/x
  3. Step 3: Cross multiply
    132,544.18x = 182,912.84 × 72,114.86
  4. Step 4: Simplify right side
    132,544.18x = 13,190,732,573.66
  5. Step 5: Solve for x
    x = 13,190,732,573.66/132,544.18
  6. Step 6: Final answer
    x = 99,519.52

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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.