Home / 113,439.98-170,146.97-30,340.46

Finding the Fourth Proportional to 113,439.98, 170,146.97 and 30,340.46

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Solution

The fourth proportional to 113,439.98, 170,146.97 and 30,340.46 is: 45,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,439.98 : 170,146.97 = 30,340.46 : x
  2. Step 2: Convert to fraction form
    113,439.98/170,146.97 = 30,340.46/x
  3. Step 3: Cross multiply
    113,439.98x = 170,146.97 × 30,340.46
  4. Step 4: Simplify right side
    113,439.98x = 5,162,337,337.41
  5. Step 5: Solve for x
    x = 5,162,337,337.41/113,439.98
  6. Step 6: Final answer
    x = 45,507.21

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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.