Home / 130,215.82-195,339.34-45,958.58

Finding the Fourth Proportional to 130,215.82, 195,339.34 and 45,958.58

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Solution

The fourth proportional to 130,215.82, 195,339.34 and 45,958.58 is: 68,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,215.82 : 195,339.34 = 45,958.58 : x
  2. Step 2: Convert to fraction form
    130,215.82/195,339.34 = 45,958.58/x
  3. Step 3: Cross multiply
    130,215.82x = 195,339.34 × 45,958.58
  4. Step 4: Simplify right side
    130,215.82x = 8,977,518,684.54
  5. Step 5: Solve for x
    x = 8,977,518,684.54/130,215.82
  6. Step 6: Final answer
    x = 68,943.38

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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.