Home / 160,406.92-221,338.74-88,786.18

Finding the Fourth Proportional to 160,406.92, 221,338.74 and 88,786.18

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Solution

The fourth proportional to 160,406.92, 221,338.74 and 88,786.18 is: 122,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,406.92 : 221,338.74 = 88,786.18 : x
  2. Step 2: Convert to fraction form
    160,406.92/221,338.74 = 88,786.18/x
  3. Step 3: Cross multiply
    160,406.92x = 221,338.74 × 88,786.18
  4. Step 4: Simplify right side
    160,406.92x = 19,651,821,210.61
  5. Step 5: Solve for x
    x = 19,651,821,210.61/160,406.92
  6. Step 6: Final answer
    x = 122,512.30

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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.