Home / 160,972.08-222,131-89,352.12

Finding the Fourth Proportional to 160,972.08, 222,131 and 89,352.12

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Solution

The fourth proportional to 160,972.08, 222,131 and 89,352.12 is: 123,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,972.08 : 222,131 = 89,352.12 : x
  2. Step 2: Convert to fraction form
    160,972.08/222,131 = 89,352.12/x
  3. Step 3: Cross multiply
    160,972.08x = 222,131 × 89,352.12
  4. Step 4: Simplify right side
    160,972.08x = 19,847,875,767.72
  5. Step 5: Solve for x
    x = 19,847,875,767.72/160,972.08
  6. Step 6: Final answer
    x = 123,300.11

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Double scale
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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.