Home / 145,828.29-219,530.26-131,164.07

Finding the Fourth Proportional to 145,828.29, 219,530.26 and 131,164.07

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Solution

The fourth proportional to 145,828.29, 219,530.26 and 131,164.07 is: 197,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,828.29 : 219,530.26 = 131,164.07 : x
  2. Step 2: Convert to fraction form
    145,828.29/219,530.26 = 131,164.07/x
  3. Step 3: Cross multiply
    145,828.29x = 219,530.26 × 131,164.07
  4. Step 4: Simplify right side
    145,828.29x = 28,794,482,610.67
  5. Step 5: Solve for x
    x = 28,794,482,610.67/145,828.29
  6. Step 6: Final answer
    x = 197,454.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.