Home / 117,079.79-161,572.61-66,082.73

Finding the Fourth Proportional to 117,079.79, 161,572.61 and 66,082.73

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Solution

The fourth proportional to 117,079.79, 161,572.61 and 66,082.73 is: 91,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,079.79 : 161,572.61 = 66,082.73 : x
  2. Step 2: Convert to fraction form
    117,079.79/161,572.61 = 66,082.73/x
  3. Step 3: Cross multiply
    117,079.79x = 161,572.61 × 66,082.73
  4. Step 4: Simplify right side
    117,079.79x = 10,677,158,831.61
  5. Step 5: Solve for x
    x = 10,677,158,831.61/117,079.79
  6. Step 6: Final answer
    x = 91,195.58

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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.