Home / 113,387.40-170,119.53-50,198.81

Finding the Fourth Proportional to 113,387.40, 170,119.53 and 50,198.81

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Solution

The fourth proportional to 113,387.40, 170,119.53 and 50,198.81 is: 75,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,387.40 : 170,119.53 = 50,198.81 : x
  2. Step 2: Convert to fraction form
    113,387.40/170,119.53 = 50,198.81/x
  3. Step 3: Cross multiply
    113,387.40x = 170,119.53 × 50,198.81
  4. Step 4: Simplify right side
    113,387.40x = 8,539,797,113.16
  5. Step 5: Solve for x
    x = 8,539,797,113.16/113,387.40
  6. Step 6: Final answer
    x = 75,315.22

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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.