Home / 146,979.24-202,531.14-139,039.56

Finding the Fourth Proportional to 146,979.24, 202,531.14 and 139,039.56

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Solution

The fourth proportional to 146,979.24, 202,531.14 and 139,039.56 is: 191,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,979.24 : 202,531.14 = 139,039.56 : x
  2. Step 2: Convert to fraction form
    146,979.24/202,531.14 = 139,039.56/x
  3. Step 3: Cross multiply
    146,979.24x = 202,531.14 × 139,039.56
  4. Step 4: Simplify right side
    146,979.24x = 28,159,840,591.90
  5. Step 5: Solve for x
    x = 28,159,840,591.90/146,979.24
  6. Step 6: Final answer
    x = 191,590.60

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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.