Home / 113,145.03-169,459.20-54,022.21

Finding the Fourth Proportional to 113,145.03, 169,459.20 and 54,022.21

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Solution

The fourth proportional to 113,145.03, 169,459.20 and 54,022.21 is: 80,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,145.03 : 169,459.20 = 54,022.21 : x
  2. Step 2: Convert to fraction form
    113,145.03/169,459.20 = 54,022.21/x
  3. Step 3: Cross multiply
    113,145.03x = 169,459.20 × 54,022.21
  4. Step 4: Simplify right side
    113,145.03x = 9,154,560,065.18
  5. Step 5: Solve for x
    x = 9,154,560,065.18/113,145.03
  6. Step 6: Final answer
    x = 80,909.96

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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.