Home / 88,130.54-131,903.38-80,251.19

Finding the Fourth Proportional to 88,130.54, 131,903.38 and 80,251.19

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Solution

The fourth proportional to 88,130.54, 131,903.38 and 80,251.19 is: 120,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.54 : 131,903.38 = 80,251.19 : x
  2. Step 2: Convert to fraction form
    88,130.54/131,903.38 = 80,251.19/x
  3. Step 3: Cross multiply
    88,130.54x = 131,903.38 × 80,251.19
  4. Step 4: Simplify right side
    88,130.54x = 10,585,403,210.02
  5. Step 5: Solve for x
    x = 10,585,403,210.02/88,130.54
  6. Step 6: Final answer
    x = 120,110.50

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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.