Home / 116,635.20-161,034.04-89,730.24

Finding the Fourth Proportional to 116,635.20, 161,034.04 and 89,730.24

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Solution

The fourth proportional to 116,635.20, 161,034.04 and 89,730.24 is: 123,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,635.20 : 161,034.04 = 89,730.24 : x
  2. Step 2: Convert to fraction form
    116,635.20/161,034.04 = 89,730.24/x
  3. Step 3: Cross multiply
    116,635.20x = 161,034.04 × 89,730.24
  4. Step 4: Simplify right side
    116,635.20x = 14,449,622,027.87
  5. Step 5: Solve for x
    x = 14,449,622,027.87/116,635.20
  6. Step 6: Final answer
    x = 123,887.32

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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.