Home / 144,398.28-216,634.32-55,627.98

Finding the Fourth Proportional to 144,398.28, 216,634.32 and 55,627.98

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Solution

The fourth proportional to 144,398.28, 216,634.32 and 55,627.98 is: 83,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,398.28 : 216,634.32 = 55,627.98 : x
  2. Step 2: Convert to fraction form
    144,398.28/216,634.32 = 55,627.98/x
  3. Step 3: Cross multiply
    144,398.28x = 216,634.32 × 55,627.98
  4. Step 4: Simplify right side
    144,398.28x = 12,050,929,620.27
  5. Step 5: Solve for x
    x = 12,050,929,620.27/144,398.28
  6. Step 6: Final answer
    x = 83,456.19

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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.