Home / 117,047.16-161,524.89-66,070.62

Finding the Fourth Proportional to 117,047.16, 161,524.89 and 66,070.62

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Solution

The fourth proportional to 117,047.16, 161,524.89 and 66,070.62 is: 91,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.16 : 161,524.89 = 66,070.62 : x
  2. Step 2: Convert to fraction form
    117,047.16/161,524.89 = 66,070.62/x
  3. Step 3: Cross multiply
    117,047.16x = 161,524.89 × 66,070.62
  4. Step 4: Simplify right side
    117,047.16x = 10,672,049,627.73
  5. Step 5: Solve for x
    x = 10,672,049,627.73/117,047.16
  6. Step 6: Final answer
    x = 91,177.35

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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.