Home / 132,278.59-182,539.20-71,848

Finding the Fourth Proportional to 132,278.59, 182,539.20 and 71,848

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Solution

The fourth proportional to 132,278.59, 182,539.20 and 71,848 is: 99,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,278.59 : 182,539.20 = 71,848 : x
  2. Step 2: Convert to fraction form
    132,278.59/182,539.20 = 71,848/x
  3. Step 3: Cross multiply
    132,278.59x = 182,539.20 × 71,848
  4. Step 4: Simplify right side
    132,278.59x = 13,115,076,441.60
  5. Step 5: Solve for x
    x = 13,115,076,441.60/132,278.59
  6. Step 6: Final answer
    x = 99,147.39

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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.