Home / 113,812.20-170,718.30-54,763.20

Finding the Fourth Proportional to 113,812.20, 170,718.30 and 54,763.20

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Solution

The fourth proportional to 113,812.20, 170,718.30 and 54,763.20 is: 82,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,812.20 : 170,718.30 = 54,763.20 : x
  2. Step 2: Convert to fraction form
    113,812.20/170,718.30 = 54,763.20/x
  3. Step 3: Cross multiply
    113,812.20x = 170,718.30 × 54,763.20
  4. Step 4: Simplify right side
    113,812.20x = 9,349,080,406.56
  5. Step 5: Solve for x
    x = 9,349,080,406.56/113,812.20
  6. Step 6: Final answer
    x = 82,144.80

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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.