Home / 210,252.35-290,185.86-125,374.88

Finding the Fourth Proportional to 210,252.35, 290,185.86 and 125,374.88

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Solution

The fourth proportional to 210,252.35, 290,185.86 and 125,374.88 is: 173,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,252.35 : 290,185.86 = 125,374.88 : x
  2. Step 2: Convert to fraction form
    210,252.35/290,185.86 = 125,374.88/x
  3. Step 3: Cross multiply
    210,252.35x = 290,185.86 × 125,374.88
  4. Step 4: Simplify right side
    210,252.35x = 36,382,015,924.27
  5. Step 5: Solve for x
    x = 36,382,015,924.27/210,252.35
  6. Step 6: Final answer
    x = 173,039.76

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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.