Home / 161,090.98-222,299.37-89,475.57

Finding the Fourth Proportional to 161,090.98, 222,299.37 and 89,475.57

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Solution

The fourth proportional to 161,090.98, 222,299.37 and 89,475.57 is: 123,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,090.98 : 222,299.37 = 89,475.57 : x
  2. Step 2: Convert to fraction form
    161,090.98/222,299.37 = 89,475.57/x
  3. Step 3: Cross multiply
    161,090.98x = 222,299.37 × 89,475.57
  4. Step 4: Simplify right side
    161,090.98x = 19,890,362,841.39
  5. Step 5: Solve for x
    x = 19,890,362,841.39/161,090.98
  6. Step 6: Final answer
    x = 123,472.85

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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.