Home / 131,035.88-196,437.47-51,055.31

Finding the Fourth Proportional to 131,035.88, 196,437.47 and 51,055.31

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Solution

The fourth proportional to 131,035.88, 196,437.47 and 51,055.31 is: 76,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,035.88 : 196,437.47 = 51,055.31 : x
  2. Step 2: Convert to fraction form
    131,035.88/196,437.47 = 51,055.31/x
  3. Step 3: Cross multiply
    131,035.88x = 196,437.47 × 51,055.31
  4. Step 4: Simplify right side
    131,035.88x = 10,029,176,162.28
  5. Step 5: Solve for x
    x = 10,029,176,162.28/131,035.88
  6. Step 6: Final answer
    x = 76,537.63

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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.