Home / 144,539.72-216,584.82-100,253

Finding the Fourth Proportional to 144,539.72, 216,584.82 and 100,253

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Solution

The fourth proportional to 144,539.72, 216,584.82 and 100,253 is: 150,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,539.72 : 216,584.82 = 100,253 : x
  2. Step 2: Convert to fraction form
    144,539.72/216,584.82 = 100,253/x
  3. Step 3: Cross multiply
    144,539.72x = 216,584.82 × 100,253
  4. Step 4: Simplify right side
    144,539.72x = 21,713,277,959.46
  5. Step 5: Solve for x
    x = 21,713,277,959.46/144,539.72
  6. Step 6: Final answer
    x = 150,223.61

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1.5x scale

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.