Home / 230,624.20-345,903.90-72,868.60

Finding the Fourth Proportional to 230,624.20, 345,903.90 and 72,868.60

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Solution

The fourth proportional to 230,624.20, 345,903.90 and 72,868.60 is: 109,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,624.20 : 345,903.90 = 72,868.60 : x
  2. Step 2: Convert to fraction form
    230,624.20/345,903.90 = 72,868.60/x
  3. Step 3: Cross multiply
    230,624.20x = 345,903.90 × 72,868.60
  4. Step 4: Simplify right side
    230,624.20x = 25,205,532,927.54
  5. Step 5: Solve for x
    x = 25,205,532,927.54/230,624.20
  6. Step 6: Final answer
    x = 109,292.66

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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.