Home / 161,716.70-243,012.45-142,471.10

Finding the Fourth Proportional to 161,716.70, 243,012.45 and 142,471.10

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Solution

The fourth proportional to 161,716.70, 243,012.45 and 142,471.10 is: 214,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,716.70 : 243,012.45 = 142,471.10 : x
  2. Step 2: Convert to fraction form
    161,716.70/243,012.45 = 142,471.10/x
  3. Step 3: Cross multiply
    161,716.70x = 243,012.45 × 142,471.10
  4. Step 4: Simplify right side
    161,716.70x = 34,622,251,065.20
  5. Step 5: Solve for x
    x = 34,622,251,065.20/161,716.70
  6. Step 6: Final answer
    x = 214,092.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.