Home / 169,036.74-253,563.30-139,400.46

Finding the Fourth Proportional to 169,036.74, 253,563.30 and 139,400.46

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Solution

The fourth proportional to 169,036.74, 253,563.30 and 139,400.46 is: 209,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,036.74 : 253,563.30 = 139,400.46 : x
  2. Step 2: Convert to fraction form
    169,036.74/253,563.30 = 139,400.46/x
  3. Step 3: Cross multiply
    169,036.74x = 253,563.30 × 139,400.46
  4. Step 4: Simplify right side
    169,036.74x = 35,346,840,659.12
  5. Step 5: Solve for x
    x = 35,346,840,659.12/169,036.74
  6. Step 6: Final answer
    x = 209,107.44

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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.