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Finding the Fourth Proportional to 161,559, 222,956.55 and 101,110.32

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Solution

The fourth proportional to 161,559, 222,956.55 and 101,110.32 is: 139,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,559 : 222,956.55 = 101,110.32 : x
  2. Step 2: Convert to fraction form
    161,559/222,956.55 = 101,110.32/x
  3. Step 3: Cross multiply
    161,559x = 222,956.55 × 101,110.32
  4. Step 4: Simplify right side
    161,559x = 22,543,208,116.60
  5. Step 5: Solve for x
    x = 22,543,208,116.60/161,559
  6. Step 6: Final answer
    x = 139,535.45

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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.