Home / 155,698.38-214,898.74-101,952.18

Finding the Fourth Proportional to 155,698.38, 214,898.74 and 101,952.18

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Solution

The fourth proportional to 155,698.38, 214,898.74 and 101,952.18 is: 140,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,698.38 : 214,898.74 = 101,952.18 : x
  2. Step 2: Convert to fraction form
    155,698.38/214,898.74 = 101,952.18/x
  3. Step 3: Cross multiply
    155,698.38x = 214,898.74 × 101,952.18
  4. Step 4: Simplify right side
    155,698.38x = 21,909,394,767.37
  5. Step 5: Solve for x
    x = 21,909,394,767.37/155,698.38
  6. Step 6: Final answer
    x = 140,716.91

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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.