Home / 169,249.38-253,881.03-139,612.02

Finding the Fourth Proportional to 169,249.38, 253,881.03 and 139,612.02

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Solution

The fourth proportional to 169,249.38, 253,881.03 and 139,612.02 is: 209,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,249.38 : 253,881.03 = 139,612.02 : x
  2. Step 2: Convert to fraction form
    169,249.38/253,881.03 = 139,612.02/x
  3. Step 3: Cross multiply
    169,249.38x = 253,881.03 × 139,612.02
  4. Step 4: Simplify right side
    169,249.38x = 35,444,843,437.98
  5. Step 5: Solve for x
    x = 35,444,843,437.98/169,249.38
  6. Step 6: Final answer
    x = 209,423.77

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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.