Home / 88,147.12-132,206.86-28,982.36

Finding the Fourth Proportional to 88,147.12, 132,206.86 and 28,982.36

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Solution

The fourth proportional to 88,147.12, 132,206.86 and 28,982.36 is: 43,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,147.12 : 132,206.86 = 28,982.36 : x
  2. Step 2: Convert to fraction form
    88,147.12/132,206.86 = 28,982.36/x
  3. Step 3: Cross multiply
    88,147.12x = 132,206.86 × 28,982.36
  4. Step 4: Simplify right side
    88,147.12x = 3,831,666,810.99
  5. Step 5: Solve for x
    x = 3,831,666,810.99/88,147.12
  6. Step 6: Final answer
    x = 43,469.00

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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.