Home / 159,173.72-219,535.25-98,710.19

Finding the Fourth Proportional to 159,173.72, 219,535.25 and 98,710.19

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Solution

The fourth proportional to 159,173.72, 219,535.25 and 98,710.19 is: 136,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,173.72 : 219,535.25 = 98,710.19 : x
  2. Step 2: Convert to fraction form
    159,173.72/219,535.25 = 98,710.19/x
  3. Step 3: Cross multiply
    159,173.72x = 219,535.25 × 98,710.19
  4. Step 4: Simplify right side
    159,173.72x = 21,670,364,647.97
  5. Step 5: Solve for x
    x = 21,670,364,647.97/159,173.72
  6. Step 6: Final answer
    x = 136,142.86

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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.