Home / 130,521.73-195,860.37-47,422.21

Finding the Fourth Proportional to 130,521.73, 195,860.37 and 47,422.21

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Solution

The fourth proportional to 130,521.73, 195,860.37 and 47,422.21 is: 71,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,521.73 : 195,860.37 = 47,422.21 : x
  2. Step 2: Convert to fraction form
    130,521.73/195,860.37 = 47,422.21/x
  3. Step 3: Cross multiply
    130,521.73x = 195,860.37 × 47,422.21
  4. Step 4: Simplify right side
    130,521.73x = 9,288,131,596.82
  5. Step 5: Solve for x
    x = 9,288,131,596.82/130,521.73
  6. Step 6: Final answer
    x = 71,161.57

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1.5x scale

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.