Home / 143,254.20-197,629.56-89,502.60

Finding the Fourth Proportional to 143,254.20, 197,629.56 and 89,502.60

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Solution

The fourth proportional to 143,254.20, 197,629.56 and 89,502.60 is: 123,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,254.20 : 197,629.56 = 89,502.60 : x
  2. Step 2: Convert to fraction form
    143,254.20/197,629.56 = 89,502.60/x
  3. Step 3: Cross multiply
    143,254.20x = 197,629.56 × 89,502.60
  4. Step 4: Simplify right side
    143,254.20x = 17,688,359,456.86
  5. Step 5: Solve for x
    x = 17,688,359,456.86/143,254.20
  6. Step 6: Final answer
    x = 123,475.33

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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.