Home / 132,447.58-182,777.87-72,018.17

Finding the Fourth Proportional to 132,447.58, 182,777.87 and 72,018.17

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Solution

The fourth proportional to 132,447.58, 182,777.87 and 72,018.17 is: 99,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,447.58 : 182,777.87 = 72,018.17 : x
  2. Step 2: Convert to fraction form
    132,447.58/182,777.87 = 72,018.17/x
  3. Step 3: Cross multiply
    132,447.58x = 182,777.87 × 72,018.17
  4. Step 4: Simplify right side
    132,447.58x = 13,163,327,713.90
  5. Step 5: Solve for x
    x = 13,163,327,713.90/132,447.58
  6. Step 6: Final answer
    x = 99,385.19

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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.