Home / 161,279.79-222,566.99-89,666.48

Finding the Fourth Proportional to 161,279.79, 222,566.99 and 89,666.48

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Solution

The fourth proportional to 161,279.79, 222,566.99 and 89,666.48 is: 123,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,279.79 : 222,566.99 = 89,666.48 : x
  2. Step 2: Convert to fraction form
    161,279.79/222,566.99 = 89,666.48/x
  3. Step 3: Cross multiply
    161,279.79x = 222,566.99 × 89,666.48
  4. Step 4: Simplify right side
    161,279.79x = 19,956,796,996.33
  5. Step 5: Solve for x
    x = 19,956,796,996.33/161,279.79
  6. Step 6: Final answer
    x = 123,740.22

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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.