Home / 211,175.50-316,696.18-68,988.37

Finding the Fourth Proportional to 211,175.50, 316,696.18 and 68,988.37

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Solution

The fourth proportional to 211,175.50, 316,696.18 and 68,988.37 is: 103,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,175.50 : 316,696.18 = 68,988.37 : x
  2. Step 2: Convert to fraction form
    211,175.50/316,696.18 = 68,988.37/x
  3. Step 3: Cross multiply
    211,175.50x = 316,696.18 × 68,988.37
  4. Step 4: Simplify right side
    211,175.50x = 21,848,351,315.00
  5. Step 5: Solve for x
    x = 21,848,351,315.00/211,175.50
  6. Step 6: Final answer
    x = 103,460.64

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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.