Home / 144,984.72-200,087.16-81,317.52

Finding the Fourth Proportional to 144,984.72, 200,087.16 and 81,317.52

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Solution

The fourth proportional to 144,984.72, 200,087.16 and 81,317.52 is: 112,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,984.72 : 200,087.16 = 81,317.52 : x
  2. Step 2: Convert to fraction form
    144,984.72/200,087.16 = 81,317.52/x
  3. Step 3: Cross multiply
    144,984.72x = 200,087.16 × 81,317.52
  4. Step 4: Simplify right side
    144,984.72x = 16,270,591,635.04
  5. Step 5: Solve for x
    x = 16,270,591,635.04/144,984.72
  6. Step 6: Final answer
    x = 112,222.80

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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.