Home / 159,785.51-220,500.77-88,161.26

Finding the Fourth Proportional to 159,785.51, 220,500.77 and 88,161.26

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Solution

The fourth proportional to 159,785.51, 220,500.77 and 88,161.26 is: 121,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,785.51 : 220,500.77 = 88,161.26 : x
  2. Step 2: Convert to fraction form
    159,785.51/220,500.77 = 88,161.26/x
  3. Step 3: Cross multiply
    159,785.51x = 220,500.77 × 88,161.26
  4. Step 4: Simplify right side
    159,785.51x = 19,439,624,170.86
  5. Step 5: Solve for x
    x = 19,439,624,170.86/159,785.51
  6. Step 6: Final answer
    x = 121,660.75

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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.