Home / 112,719.68-155,553.36-61,037.36

Finding the Fourth Proportional to 112,719.68, 155,553.36 and 61,037.36

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Solution

The fourth proportional to 112,719.68, 155,553.36 and 61,037.36 is: 84,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,719.68 : 155,553.36 = 61,037.36 : x
  2. Step 2: Convert to fraction form
    112,719.68/155,553.36 = 61,037.36/x
  3. Step 3: Cross multiply
    112,719.68x = 155,553.36 × 61,037.36
  4. Step 4: Simplify right side
    112,719.68x = 9,494,566,433.53
  5. Step 5: Solve for x
    x = 9,494,566,433.53/112,719.68
  6. Step 6: Final answer
    x = 84,231.67

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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.