Home / 161,463.12-222,784.20-97,803.60

Finding the Fourth Proportional to 161,463.12, 222,784.20 and 97,803.60

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Solution

The fourth proportional to 161,463.12, 222,784.20 and 97,803.60 is: 134,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,463.12 : 222,784.20 = 97,803.60 : x
  2. Step 2: Convert to fraction form
    161,463.12/222,784.20 = 97,803.60/x
  3. Step 3: Cross multiply
    161,463.12x = 222,784.20 × 97,803.60
  4. Step 4: Simplify right side
    161,463.12x = 21,789,096,783.12
  5. Step 5: Solve for x
    x = 21,789,096,783.12/161,463.12
  6. Step 6: Final answer
    x = 134,947.82

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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.