Home / 155,556.15-233,382.66-55,717.20

Finding the Fourth Proportional to 155,556.15, 233,382.66 and 55,717.20

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Solution

The fourth proportional to 155,556.15, 233,382.66 and 55,717.20 is: 83,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,556.15 : 233,382.66 = 55,717.20 : x
  2. Step 2: Convert to fraction form
    155,556.15/233,382.66 = 55,717.20/x
  3. Step 3: Cross multiply
    155,556.15x = 233,382.66 × 55,717.20
  4. Step 4: Simplify right side
    155,556.15x = 13,003,428,927.21
  5. Step 5: Solve for x
    x = 13,003,428,927.21/155,556.15
  6. Step 6: Final answer
    x = 83,593.15

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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.