Home / 211,329.22-316,963.17-69,180.13

Finding the Fourth Proportional to 211,329.22, 316,963.17 and 69,180.13

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Solution

The fourth proportional to 211,329.22, 316,963.17 and 69,180.13 is: 103,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,329.22 : 316,963.17 = 69,180.13 : x
  2. Step 2: Convert to fraction form
    211,329.22/316,963.17 = 69,180.13/x
  3. Step 3: Cross multiply
    211,329.22x = 316,963.17 × 69,180.13
  4. Step 4: Simplify right side
    211,329.22x = 21,927,552,903.87
  5. Step 5: Solve for x
    x = 21,927,552,903.87/211,329.22
  6. Step 6: Final answer
    x = 103,760.16

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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.