Home / 150,714.24-208,007.28-90,287.43

Finding the Fourth Proportional to 150,714.24, 208,007.28 and 90,287.43

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Solution

The fourth proportional to 150,714.24, 208,007.28 and 90,287.43 is: 124,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,714.24 : 208,007.28 = 90,287.43 : x
  2. Step 2: Convert to fraction form
    150,714.24/208,007.28 = 90,287.43/x
  3. Step 3: Cross multiply
    150,714.24x = 208,007.28 × 90,287.43
  4. Step 4: Simplify right side
    150,714.24x = 18,780,442,732.49
  5. Step 5: Solve for x
    x = 18,780,442,732.49/150,714.24
  6. Step 6: Final answer
    x = 124,609.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.