Home / 161,490.40-222,847.62-89,866.96

Finding the Fourth Proportional to 161,490.40, 222,847.62 and 89,866.96

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Solution

The fourth proportional to 161,490.40, 222,847.62 and 89,866.96 is: 124,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,490.40 : 222,847.62 = 89,866.96 : x
  2. Step 2: Convert to fraction form
    161,490.40/222,847.62 = 89,866.96/x
  3. Step 3: Cross multiply
    161,490.40x = 222,847.62 × 89,866.96
  4. Step 4: Simplify right side
    161,490.40x = 20,026,638,152.64
  5. Step 5: Solve for x
    x = 20,026,638,152.64/161,490.40
  6. Step 6: Final answer
    x = 124,011.32

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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.