Home / 159,758.04-220,464.63-88,138.62

Finding the Fourth Proportional to 159,758.04, 220,464.63 and 88,138.62

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Solution

The fourth proportional to 159,758.04, 220,464.63 and 88,138.62 is: 121,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,758.04 : 220,464.63 = 88,138.62 : x
  2. Step 2: Convert to fraction form
    159,758.04/220,464.63 = 88,138.62/x
  3. Step 3: Cross multiply
    159,758.04x = 220,464.63 × 88,138.62
  4. Step 4: Simplify right side
    159,758.04x = 19,431,448,247.01
  5. Step 5: Solve for x
    x = 19,431,448,247.01/159,758.04
  6. Step 6: Final answer
    x = 121,630.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.