Home / 100,834.10-151,251.15-30,704.30

Finding the Fourth Proportional to 100,834.10, 151,251.15 and 30,704.30

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Solution

The fourth proportional to 100,834.10, 151,251.15 and 30,704.30 is: 46,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,834.10 : 151,251.15 = 30,704.30 : x
  2. Step 2: Convert to fraction form
    100,834.10/151,251.15 = 30,704.30/x
  3. Step 3: Cross multiply
    100,834.10x = 151,251.15 × 30,704.30
  4. Step 4: Simplify right side
    100,834.10x = 4,644,060,684.95
  5. Step 5: Solve for x
    x = 4,644,060,684.95/100,834.10
  6. Step 6: Final answer
    x = 46,056.45

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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.