Home / 113,635.88-170,478.42-43,515.19

Finding the Fourth Proportional to 113,635.88, 170,478.42 and 43,515.19

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Solution

The fourth proportional to 113,635.88, 170,478.42 and 43,515.19 is: 65,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,635.88 : 170,478.42 = 43,515.19 : x
  2. Step 2: Convert to fraction form
    113,635.88/170,478.42 = 43,515.19/x
  3. Step 3: Cross multiply
    113,635.88x = 170,478.42 × 43,515.19
  4. Step 4: Simplify right side
    113,635.88x = 7,418,400,728.41
  5. Step 5: Solve for x
    x = 7,418,400,728.41/113,635.88
  6. Step 6: Final answer
    x = 65,282.21

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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.