Home / 155,406.61-233,109.95-102,803.79

Finding the Fourth Proportional to 155,406.61, 233,109.95 and 102,803.79

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Solution

The fourth proportional to 155,406.61, 233,109.95 and 102,803.79 is: 154,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,406.61 : 233,109.95 = 102,803.79 : x
  2. Step 2: Convert to fraction form
    155,406.61/233,109.95 = 102,803.79/x
  3. Step 3: Cross multiply
    155,406.61x = 233,109.95 × 102,803.79
  4. Step 4: Simplify right side
    155,406.61x = 23,964,585,832.69
  5. Step 5: Solve for x
    x = 23,964,585,832.69/155,406.61
  6. Step 6: Final answer
    x = 154,205.71

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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.