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Finding the Fourth Proportional to 88,015.30, 132,022.95 and 73,435.30

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Solution

The fourth proportional to 88,015.30, 132,022.95 and 73,435.30 is: 110,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,015.30 : 132,022.95 = 73,435.30 : x
  2. Step 2: Convert to fraction form
    88,015.30/132,022.95 = 73,435.30/x
  3. Step 3: Cross multiply
    88,015.30x = 132,022.95 × 73,435.30
  4. Step 4: Simplify right side
    88,015.30x = 9,695,144,940.14
  5. Step 5: Solve for x
    x = 9,695,144,940.14/88,015.30
  6. Step 6: Final answer
    x = 110,152.95

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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.