Home / 88,133.66-132,221.29-28,969.50

Finding the Fourth Proportional to 88,133.66, 132,221.29 and 28,969.50

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Solution

The fourth proportional to 88,133.66, 132,221.29 and 28,969.50 is: 43,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.66 : 132,221.29 = 28,969.50 : x
  2. Step 2: Convert to fraction form
    88,133.66/132,221.29 = 28,969.50/x
  3. Step 3: Cross multiply
    88,133.66x = 132,221.29 × 28,969.50
  4. Step 4: Simplify right side
    88,133.66x = 3,830,384,660.66
  5. Step 5: Solve for x
    x = 3,830,384,660.66/88,133.66
  6. Step 6: Final answer
    x = 43,461.09

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1.5x scale

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.