Home / 124,619.94-187,027.58-86,934.90

Finding the Fourth Proportional to 124,619.94, 187,027.58 and 86,934.90

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Solution

The fourth proportional to 124,619.94, 187,027.58 and 86,934.90 is: 130,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,619.94 : 187,027.58 = 86,934.90 : x
  2. Step 2: Convert to fraction form
    124,619.94/187,027.58 = 86,934.90/x
  3. Step 3: Cross multiply
    124,619.94x = 187,027.58 × 86,934.90
  4. Step 4: Simplify right side
    124,619.94x = 16,259,223,964.54
  5. Step 5: Solve for x
    x = 16,259,223,964.54/124,619.94
  6. Step 6: Final answer
    x = 130,470.48

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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.