Home / 134,879.20-202,549.20-88,338.40

Finding the Fourth Proportional to 134,879.20, 202,549.20 and 88,338.40

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Solution

The fourth proportional to 134,879.20, 202,549.20 and 88,338.40 is: 132,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,879.20 : 202,549.20 = 88,338.40 : x
  2. Step 2: Convert to fraction form
    134,879.20/202,549.20 = 88,338.40/x
  3. Step 3: Cross multiply
    134,879.20x = 202,549.20 × 88,338.40
  4. Step 4: Simplify right side
    134,879.20x = 17,892,872,249.28
  5. Step 5: Solve for x
    x = 17,892,872,249.28/134,879.20
  6. Step 6: Final answer
    x = 132,658.50

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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.