Home / 155,367.90-214,399.44-91,682.46

Finding the Fourth Proportional to 155,367.90, 214,399.44 and 91,682.46

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Solution

The fourth proportional to 155,367.90, 214,399.44 and 91,682.46 is: 126,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,367.90 : 214,399.44 = 91,682.46 : x
  2. Step 2: Convert to fraction form
    155,367.90/214,399.44 = 91,682.46/x
  3. Step 3: Cross multiply
    155,367.90x = 214,399.44 × 91,682.46
  4. Step 4: Simplify right side
    155,367.90x = 19,656,668,081.82
  5. Step 5: Solve for x
    x = 19,656,668,081.82/155,367.90
  6. Step 6: Final answer
    x = 126,516.92

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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.