Home / 88,035.05-132,051.02-81,178.26

Finding the Fourth Proportional to 88,035.05, 132,051.02 and 81,178.26

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Solution

The fourth proportional to 88,035.05, 132,051.02 and 81,178.26 is: 121,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,035.05 : 132,051.02 = 81,178.26 : x
  2. Step 2: Convert to fraction form
    88,035.05/132,051.02 = 81,178.26/x
  3. Step 3: Cross multiply
    88,035.05x = 132,051.02 × 81,178.26
  4. Step 4: Simplify right side
    88,035.05x = 10,719,671,628.93
  5. Step 5: Solve for x
    x = 10,719,671,628.93/88,035.05
  6. Step 6: Final answer
    x = 121,765.96

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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.