Home / 106,148.56-159,196.12-31,253.68

Finding the Fourth Proportional to 106,148.56, 159,196.12 and 31,253.68

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Solution

The fourth proportional to 106,148.56, 159,196.12 and 31,253.68 is: 46,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,148.56 : 159,196.12 = 31,253.68 : x
  2. Step 2: Convert to fraction form
    106,148.56/159,196.12 = 31,253.68/x
  3. Step 3: Cross multiply
    106,148.56x = 159,196.12 × 31,253.68
  4. Step 4: Simplify right side
    106,148.56x = 4,975,464,591.72
  5. Step 5: Solve for x
    x = 4,975,464,591.72/106,148.56
  6. Step 6: Final answer
    x = 46,872.65

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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.