Home / 155,556.20-232,988.70-127,908.20

Finding the Fourth Proportional to 155,556.20, 232,988.70 and 127,908.20

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Solution

The fourth proportional to 155,556.20, 232,988.70 and 127,908.20 is: 191,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,556.20 : 232,988.70 = 127,908.20 : x
  2. Step 2: Convert to fraction form
    155,556.20/232,988.70 = 127,908.20/x
  3. Step 3: Cross multiply
    155,556.20x = 232,988.70 × 127,908.20
  4. Step 4: Simplify right side
    155,556.20x = 29,801,165,237.34
  5. Step 5: Solve for x
    x = 29,801,165,237.34/155,556.20
  6. Step 6: Final answer
    x = 191,578.13

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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.