Home / 142,939.35-197,292.19-97,076.61

Finding the Fourth Proportional to 142,939.35, 197,292.19 and 97,076.61

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Solution

The fourth proportional to 142,939.35, 197,292.19 and 97,076.61 is: 133,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,939.35 : 197,292.19 = 97,076.61 : x
  2. Step 2: Convert to fraction form
    142,939.35/197,292.19 = 97,076.61/x
  3. Step 3: Cross multiply
    142,939.35x = 197,292.19 × 97,076.61
  4. Step 4: Simplify right side
    142,939.35x = 19,152,456,924.00
  5. Step 5: Solve for x
    x = 19,152,456,924.00/142,939.35
  6. Step 6: Final answer
    x = 133,990.09

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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.