Home / 113,346.88-170,020.64-54,169.12

Finding the Fourth Proportional to 113,346.88, 170,020.64 and 54,169.12

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Solution

The fourth proportional to 113,346.88, 170,020.64 and 54,169.12 is: 81,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.88 : 170,020.64 = 54,169.12 : x
  2. Step 2: Convert to fraction form
    113,346.88/170,020.64 = 54,169.12/x
  3. Step 3: Cross multiply
    113,346.88x = 170,020.64 × 54,169.12
  4. Step 4: Simplify right side
    113,346.88x = 9,209,868,450.64
  5. Step 5: Solve for x
    x = 9,209,868,450.64/113,346.88
  6. Step 6: Final answer
    x = 81,253.83

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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.