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Finding the Fourth Proportional to 161,565, 222,814.55 and 101,141.15

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Solution

The fourth proportional to 161,565, 222,814.55 and 101,141.15 is: 139,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565 : 222,814.55 = 101,141.15 : x
  2. Step 2: Convert to fraction form
    161,565/222,814.55 = 101,141.15/x
  3. Step 3: Cross multiply
    161,565x = 222,814.55 × 101,141.15
  4. Step 4: Simplify right side
    161,565x = 22,535,718,203.95
  5. Step 5: Solve for x
    x = 22,535,718,203.95/161,565
  6. Step 6: Final answer
    x = 139,483.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.