Home / 146,537.80-219,806.70-127,292.20

Finding the Fourth Proportional to 146,537.80, 219,806.70 and 127,292.20

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Solution

The fourth proportional to 146,537.80, 219,806.70 and 127,292.20 is: 190,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,537.80 : 219,806.70 = 127,292.20 : x
  2. Step 2: Convert to fraction form
    146,537.80/219,806.70 = 127,292.20/x
  3. Step 3: Cross multiply
    146,537.80x = 219,806.70 × 127,292.20
  4. Step 4: Simplify right side
    146,537.80x = 27,979,678,417.74
  5. Step 5: Solve for x
    x = 27,979,678,417.74/146,537.80
  6. Step 6: Final answer
    x = 190,938.30

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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.