Home / 88,128.28-132,172.98-25,803.64

Finding the Fourth Proportional to 88,128.28, 132,172.98 and 25,803.64

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Solution

The fourth proportional to 88,128.28, 132,172.98 and 25,803.64 is: 38,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128.28 : 132,172.98 = 25,803.64 : x
  2. Step 2: Convert to fraction form
    88,128.28/132,172.98 = 25,803.64/x
  3. Step 3: Cross multiply
    88,128.28x = 132,172.98 × 25,803.64
  4. Step 4: Simplify right side
    88,128.28x = 3,410,543,993.65
  5. Step 5: Solve for x
    x = 3,410,543,993.65/88,128.28
  6. Step 6: Final answer
    x = 38,699.77

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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.