Home / 160,220.96-221,106.32-88,605.80

Finding the Fourth Proportional to 160,220.96, 221,106.32 and 88,605.80

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Solution

The fourth proportional to 160,220.96, 221,106.32 and 88,605.80 is: 122,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,220.96 : 221,106.32 = 88,605.80 : x
  2. Step 2: Convert to fraction form
    160,220.96/221,106.32 = 88,605.80/x
  3. Step 3: Cross multiply
    160,220.96x = 221,106.32 × 88,605.80
  4. Step 4: Simplify right side
    160,220.96x = 19,591,302,368.66
  5. Step 5: Solve for x
    x = 19,591,302,368.66/160,220.96
  6. Step 6: Final answer
    x = 122,276.78

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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.