Home / 160,405.37-221,336.24-88,785.22

Finding the Fourth Proportional to 160,405.37, 221,336.24 and 88,785.22

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Solution

The fourth proportional to 160,405.37, 221,336.24 and 88,785.22 is: 122,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405.37 : 221,336.24 = 88,785.22 : x
  2. Step 2: Convert to fraction form
    160,405.37/221,336.24 = 88,785.22/x
  3. Step 3: Cross multiply
    160,405.37x = 221,336.24 × 88,785.22
  4. Step 4: Simplify right side
    160,405.37x = 19,651,387,537.68
  5. Step 5: Solve for x
    x = 19,651,387,537.68/160,405.37
  6. Step 6: Final answer
    x = 122,510.78

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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.