Home / 218,566.11-301,649.96-123,091.47

Finding the Fourth Proportional to 218,566.11, 301,649.96 and 123,091.47

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Solution

The fourth proportional to 218,566.11, 301,649.96 and 123,091.47 is: 169,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,566.11 : 301,649.96 = 123,091.47 : x
  2. Step 2: Convert to fraction form
    218,566.11/301,649.96 = 123,091.47/x
  3. Step 3: Cross multiply
    218,566.11x = 301,649.96 × 123,091.47
  4. Step 4: Simplify right side
    218,566.11x = 37,130,536,386.38
  5. Step 5: Solve for x
    x = 37,130,536,386.38/218,566.11
  6. Step 6: Final answer
    x = 169,882.40

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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.