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Finding the Fourth Proportional to 161,297.80, 222,598.02 and 89,675.08

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Solution

The fourth proportional to 161,297.80, 222,598.02 and 89,675.08 is: 123,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,297.80 : 222,598.02 = 89,675.08 : x
  2. Step 2: Convert to fraction form
    161,297.80/222,598.02 = 89,675.08/x
  3. Step 3: Cross multiply
    161,297.80x = 222,598.02 × 89,675.08
  4. Step 4: Simplify right side
    161,297.80x = 19,961,495,251.34
  5. Step 5: Solve for x
    x = 19,961,495,251.34/161,297.80
  6. Step 6: Final answer
    x = 123,755.53

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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.