Home / 155,950.35-215,202.52-87,963.27

Finding the Fourth Proportional to 155,950.35, 215,202.52 and 87,963.27

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Solution

The fourth proportional to 155,950.35, 215,202.52 and 87,963.27 is: 121,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,950.35 : 215,202.52 = 87,963.27 : x
  2. Step 2: Convert to fraction form
    155,950.35/215,202.52 = 87,963.27/x
  3. Step 3: Cross multiply
    155,950.35x = 215,202.52 × 87,963.27
  4. Step 4: Simplify right side
    155,950.35x = 18,929,917,371.44
  5. Step 5: Solve for x
    x = 18,929,917,371.44/155,950.35
  6. Step 6: Final answer
    x = 121,384.26

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1.5x scale

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.