Home / 131,222.52-181,097.10-74,630.52

Finding the Fourth Proportional to 131,222.52, 181,097.10 and 74,630.52

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Solution

The fourth proportional to 131,222.52, 181,097.10 and 74,630.52 is: 102,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,222.52 : 181,097.10 = 74,630.52 : x
  2. Step 2: Convert to fraction form
    131,222.52/181,097.10 = 74,630.52/x
  3. Step 3: Cross multiply
    131,222.52x = 181,097.10 × 74,630.52
  4. Step 4: Simplify right side
    131,222.52x = 13,515,370,743.49
  5. Step 5: Solve for x
    x = 13,515,370,743.49/131,222.52
  6. Step 6: Final answer
    x = 102,995.82

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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.