Home / 143,924.97-215,780.83-68,973.74

Finding the Fourth Proportional to 143,924.97, 215,780.83 and 68,973.74

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Solution

The fourth proportional to 143,924.97, 215,780.83 and 68,973.74 is: 103,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,924.97 : 215,780.83 = 68,973.74 : x
  2. Step 2: Convert to fraction form
    143,924.97/215,780.83 = 68,973.74/x
  3. Step 3: Cross multiply
    143,924.97x = 215,780.83 × 68,973.74
  4. Step 4: Simplify right side
    143,924.97x = 14,883,211,637.01
  5. Step 5: Solve for x
    x = 14,883,211,637.01/143,924.97
  6. Step 6: Final answer
    x = 103,409.52

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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.