Home / 214,698.71-322,048.07-81,547.47

Finding the Fourth Proportional to 214,698.71, 322,048.07 and 81,547.47

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Solution

The fourth proportional to 214,698.71, 322,048.07 and 81,547.47 is: 122,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,698.71 : 322,048.07 = 81,547.47 : x
  2. Step 2: Convert to fraction form
    214,698.71/322,048.07 = 81,547.47/x
  3. Step 3: Cross multiply
    214,698.71x = 322,048.07 × 81,547.47
  4. Step 4: Simplify right side
    214,698.71x = 26,262,204,919.15
  5. Step 5: Solve for x
    x = 26,262,204,919.15/214,698.71
  6. Step 6: Final answer
    x = 122,321.21

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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.