Home / 197,395.19-272,388.78-116,808.69

Finding the Fourth Proportional to 197,395.19, 272,388.78 and 116,808.69

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Solution

The fourth proportional to 197,395.19, 272,388.78 and 116,808.69 is: 161,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,395.19 : 272,388.78 = 116,808.69 : x
  2. Step 2: Convert to fraction form
    197,395.19/272,388.78 = 116,808.69/x
  3. Step 3: Cross multiply
    197,395.19x = 272,388.78 × 116,808.69
  4. Step 4: Simplify right side
    197,395.19x = 31,817,376,562.50
  5. Step 5: Solve for x
    x = 31,817,376,562.50/197,395.19
  6. Step 6: Final answer
    x = 161,186.18

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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.