Home / 144,922.50-199,955.14-83,653.70

Finding the Fourth Proportional to 144,922.50, 199,955.14 and 83,653.70

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Solution

The fourth proportional to 144,922.50, 199,955.14 and 83,653.70 is: 115,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,922.50 : 199,955.14 = 83,653.70 : x
  2. Step 2: Convert to fraction form
    144,922.50/199,955.14 = 83,653.70/x
  3. Step 3: Cross multiply
    144,922.50x = 199,955.14 × 83,653.70
  4. Step 4: Simplify right side
    144,922.50x = 16,726,986,086.11
  5. Step 5: Solve for x
    x = 16,726,986,086.11/144,922.50
  6. Step 6: Final answer
    x = 115,420.21

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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.