Home / 151,824.28-209,517.48-84,756.28

Finding the Fourth Proportional to 151,824.28, 209,517.48 and 84,756.28

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Solution

The fourth proportional to 151,824.28, 209,517.48 and 84,756.28 is: 116,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,824.28 : 209,517.48 = 84,756.28 : x
  2. Step 2: Convert to fraction form
    151,824.28/209,517.48 = 84,756.28/x
  3. Step 3: Cross multiply
    151,824.28x = 209,517.48 × 84,756.28
  4. Step 4: Simplify right side
    151,824.28x = 17,757,922,199.77
  5. Step 5: Solve for x
    x = 17,757,922,199.77/151,824.28
  6. Step 6: Final answer
    x = 116,963.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.