Home / 224,142.31-309,316.65-122,167.87

Finding the Fourth Proportional to 224,142.31, 309,316.65 and 122,167.87

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Solution

The fourth proportional to 224,142.31, 309,316.65 and 122,167.87 is: 168,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,142.31 : 309,316.65 = 122,167.87 : x
  2. Step 2: Convert to fraction form
    224,142.31/309,316.65 = 122,167.87/x
  3. Step 3: Cross multiply
    224,142.31x = 309,316.65 × 122,167.87
  4. Step 4: Simplify right side
    224,142.31x = 37,788,556,268.16
  5. Step 5: Solve for x
    x = 37,788,556,268.16/224,142.31
  6. Step 6: Final answer
    x = 168,591.80

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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.