Home / 146,323.92-219,777.52-138,071.28

Finding the Fourth Proportional to 146,323.92, 219,777.52 and 138,071.28

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Solution

The fourth proportional to 146,323.92, 219,777.52 and 138,071.28 is: 207,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,323.92 : 219,777.52 = 138,071.28 : x
  2. Step 2: Convert to fraction form
    146,323.92/219,777.52 = 138,071.28/x
  3. Step 3: Cross multiply
    146,323.92x = 219,777.52 × 138,071.28
  4. Step 4: Simplify right side
    146,323.92x = 30,344,963,501.63
  5. Step 5: Solve for x
    x = 30,344,963,501.63/146,323.92
  6. Step 6: Final answer
    x = 207,382.11

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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.