Home / 151,240.72-208,714.86-82,332.18

Finding the Fourth Proportional to 151,240.72, 208,714.86 and 82,332.18

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Solution

The fourth proportional to 151,240.72, 208,714.86 and 82,332.18 is: 113,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,240.72 : 208,714.86 = 82,332.18 : x
  2. Step 2: Convert to fraction form
    151,240.72/208,714.86 = 82,332.18/x
  3. Step 3: Cross multiply
    151,240.72x = 208,714.86 × 82,332.18
  4. Step 4: Simplify right side
    151,240.72x = 17,183,949,422.19
  5. Step 5: Solve for x
    x = 17,183,949,422.19/151,240.72
  6. Step 6: Final answer
    x = 113,619.86

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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.