Home / 197,742.11-272,896.65-117,152.51

Finding the Fourth Proportional to 197,742.11, 272,896.65 and 117,152.51

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Solution

The fourth proportional to 197,742.11, 272,896.65 and 117,152.51 is: 161,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,742.11 : 272,896.65 = 117,152.51 : x
  2. Step 2: Convert to fraction form
    197,742.11/272,896.65 = 117,152.51/x
  3. Step 3: Cross multiply
    197,742.11x = 272,896.65 × 117,152.51
  4. Step 4: Simplify right side
    197,742.11x = 31,970,526,153.61
  5. Step 5: Solve for x
    x = 31,970,526,153.61/197,742.11
  6. Step 6: Final answer
    x = 161,677.89

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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.