Home / 106,455.68-159,716.78-31,576.24

Finding the Fourth Proportional to 106,455.68, 159,716.78 and 31,576.24

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Solution

The fourth proportional to 106,455.68, 159,716.78 and 31,576.24 is: 47,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,455.68 : 159,716.78 = 31,576.24 : x
  2. Step 2: Convert to fraction form
    106,455.68/159,716.78 = 31,576.24/x
  3. Step 3: Cross multiply
    106,455.68x = 159,716.78 × 31,576.24
  4. Step 4: Simplify right side
    106,455.68x = 5,043,254,820.13
  5. Step 5: Solve for x
    x = 5,043,254,820.13/106,455.68
  6. Step 6: Final answer
    x = 47,374.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.