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Finding the Fourth Proportional to 161,562.31, 222,810.83 and 101,138.45

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Solution

The fourth proportional to 161,562.31, 222,810.83 and 101,138.45 is: 139,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,562.31 : 222,810.83 = 101,138.45 : x
  2. Step 2: Convert to fraction form
    161,562.31/222,810.83 = 101,138.45/x
  3. Step 3: Cross multiply
    161,562.31x = 222,810.83 × 101,138.45
  4. Step 4: Simplify right side
    161,562.31x = 22,534,741,989.41
  5. Step 5: Solve for x
    x = 22,534,741,989.41/161,562.31
  6. Step 6: Final answer
    x = 139,480.20

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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.