Home / 152,761.97-210,764.27-89,054.66

Finding the Fourth Proportional to 152,761.97, 210,764.27 and 89,054.66

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Solution

The fourth proportional to 152,761.97, 210,764.27 and 89,054.66 is: 122,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,761.97 : 210,764.27 = 89,054.66 : x
  2. Step 2: Convert to fraction form
    152,761.97/210,764.27 = 89,054.66/x
  3. Step 3: Cross multiply
    152,761.97x = 210,764.27 × 89,054.66
  4. Step 4: Simplify right side
    152,761.97x = 18,769,539,351.18
  5. Step 5: Solve for x
    x = 18,769,539,351.18/152,761.97
  6. Step 6: Final answer
    x = 122,867.88

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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.