Home / 101,276.73-151,913.10-30,247.47

Finding the Fourth Proportional to 101,276.73, 151,913.10 and 30,247.47

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Solution

The fourth proportional to 101,276.73, 151,913.10 and 30,247.47 is: 45,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,276.73 : 151,913.10 = 30,247.47 : x
  2. Step 2: Convert to fraction form
    101,276.73/151,913.10 = 30,247.47/x
  3. Step 3: Cross multiply
    101,276.73x = 151,913.10 × 30,247.47
  4. Step 4: Simplify right side
    101,276.73x = 4,594,986,934.86
  5. Step 5: Solve for x
    x = 4,594,986,934.86/101,276.73
  6. Step 6: Final answer
    x = 45,370.61

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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.