Home / 132,441.60-182,764.36-72,012.29

Finding the Fourth Proportional to 132,441.60, 182,764.36 and 72,012.29

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Solution

The fourth proportional to 132,441.60, 182,764.36 and 72,012.29 is: 99,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,441.60 : 182,764.36 = 72,012.29 : x
  2. Step 2: Convert to fraction form
    132,441.60/182,764.36 = 72,012.29/x
  3. Step 3: Cross multiply
    132,441.60x = 182,764.36 × 72,012.29
  4. Step 4: Simplify right side
    132,441.60x = 13,161,280,093.98
  5. Step 5: Solve for x
    x = 13,161,280,093.98/132,441.60
  6. Step 6: Final answer
    x = 99,374.22

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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.