Home / 197,803.06-272,967.10-107,160.80

Finding the Fourth Proportional to 197,803.06, 272,967.10 and 107,160.80

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Solution

The fourth proportional to 197,803.06, 272,967.10 and 107,160.80 is: 147,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,803.06 : 272,967.10 = 107,160.80 : x
  2. Step 2: Convert to fraction form
    197,803.06/272,967.10 = 107,160.80/x
  3. Step 3: Cross multiply
    197,803.06x = 272,967.10 × 107,160.80
  4. Step 4: Simplify right side
    197,803.06x = 29,251,371,176.94
  5. Step 5: Solve for x
    x = 29,251,371,176.94/197,803.06
  6. Step 6: Final answer
    x = 147,881.29

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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.