Home / 140,058.45-210,087.68-51,275.97

Finding the Fourth Proportional to 140,058.45, 210,087.68 and 51,275.97

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Solution

The fourth proportional to 140,058.45, 210,087.68 and 51,275.97 is: 76,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,058.45 : 210,087.68 = 51,275.97 : x
  2. Step 2: Convert to fraction form
    140,058.45/210,087.68 = 51,275.97/x
  3. Step 3: Cross multiply
    140,058.45x = 210,087.68 × 51,275.97
  4. Step 4: Simplify right side
    140,058.45x = 10,772,449,320.67
  5. Step 5: Solve for x
    x = 10,772,449,320.67/140,058.45
  6. Step 6: Final answer
    x = 76,913.96

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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.