Home / 88,128.05-132,192.07-25,798.55

Finding the Fourth Proportional to 88,128.05, 132,192.07 and 25,798.55

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Solution

The fourth proportional to 88,128.05, 132,192.07 and 25,798.55 is: 38,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128.05 : 132,192.07 = 25,798.55 : x
  2. Step 2: Convert to fraction form
    88,128.05/132,192.07 = 25,798.55/x
  3. Step 3: Cross multiply
    88,128.05x = 132,192.07 × 25,798.55
  4. Step 4: Simplify right side
    88,128.05x = 3,410,363,002.04
  5. Step 5: Solve for x
    x = 3,410,363,002.04/88,128.05
  6. Step 6: Final answer
    x = 38,697.82

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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.