Home / 112,944.13-155,861.81-61,954.46

Finding the Fourth Proportional to 112,944.13, 155,861.81 and 61,954.46

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Solution

The fourth proportional to 112,944.13, 155,861.81 and 61,954.46 is: 85,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.13 : 155,861.81 = 61,954.46 : x
  2. Step 2: Convert to fraction form
    112,944.13/155,861.81 = 61,954.46/x
  3. Step 3: Cross multiply
    112,944.13x = 155,861.81 × 61,954.46
  4. Step 4: Simplify right side
    112,944.13x = 9,656,334,273.17
  5. Step 5: Solve for x
    x = 9,656,334,273.17/112,944.13
  6. Step 6: Final answer
    x = 85,496.56

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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.