Home / 155,981.94-233,759.57-84,811.49

Finding the Fourth Proportional to 155,981.94, 233,759.57 and 84,811.49

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Solution

The fourth proportional to 155,981.94, 233,759.57 and 84,811.49 is: 127,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,981.94 : 233,759.57 = 84,811.49 : x
  2. Step 2: Convert to fraction form
    155,981.94/233,759.57 = 84,811.49/x
  3. Step 3: Cross multiply
    155,981.94x = 233,759.57 × 84,811.49
  4. Step 4: Simplify right side
    155,981.94x = 19,825,497,433.46
  5. Step 5: Solve for x
    x = 19,825,497,433.46/155,981.94
  6. Step 6: Final answer
    x = 127,101.24

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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.