Home / 160,998.20-222,166.36-89,372.60

Finding the Fourth Proportional to 160,998.20, 222,166.36 and 89,372.60

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Solution

The fourth proportional to 160,998.20, 222,166.36 and 89,372.60 is: 123,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,998.20 : 222,166.36 = 89,372.60 : x
  2. Step 2: Convert to fraction form
    160,998.20/222,166.36 = 89,372.60/x
  3. Step 3: Cross multiply
    160,998.20x = 222,166.36 × 89,372.60
  4. Step 4: Simplify right side
    160,998.20x = 19,855,585,225.74
  5. Step 5: Solve for x
    x = 19,855,585,225.74/160,998.20
  6. Step 6: Final answer
    x = 123,328.00

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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.