Home / 152,173.90-210,067.24-90,941.69

Finding the Fourth Proportional to 152,173.90, 210,067.24 and 90,941.69

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Solution

The fourth proportional to 152,173.90, 210,067.24 and 90,941.69 is: 125,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,173.90 : 210,067.24 = 90,941.69 : x
  2. Step 2: Convert to fraction form
    152,173.90/210,067.24 = 90,941.69/x
  3. Step 3: Cross multiply
    152,173.90x = 210,067.24 × 90,941.69
  4. Step 4: Simplify right side
    152,173.90x = 19,103,870,287.57
  5. Step 5: Solve for x
    x = 19,103,870,287.57/152,173.90
  6. Step 6: Final answer
    x = 125,539.73

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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.