Home / 230,065.20-345,116.25-80,302.17

Finding the Fourth Proportional to 230,065.20, 345,116.25 and 80,302.17

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Solution

The fourth proportional to 230,065.20, 345,116.25 and 80,302.17 is: 120,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,065.20 : 345,116.25 = 80,302.17 : x
  2. Step 2: Convert to fraction form
    230,065.20/345,116.25 = 80,302.17/x
  3. Step 3: Cross multiply
    230,065.20x = 345,116.25 × 80,302.17
  4. Step 4: Simplify right side
    230,065.20x = 27,713,583,777.26
  5. Step 5: Solve for x
    x = 27,713,583,777.26/230,065.20
  6. Step 6: Final answer
    x = 120,459.69

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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.