Home / 168,247.17-251,778.29-105,097.01

Finding the Fourth Proportional to 168,247.17, 251,778.29 and 105,097.01

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Solution

The fourth proportional to 168,247.17, 251,778.29 and 105,097.01 is: 157,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,247.17 : 251,778.29 = 105,097.01 : x
  2. Step 2: Convert to fraction form
    168,247.17/251,778.29 = 105,097.01/x
  3. Step 3: Cross multiply
    168,247.17x = 251,778.29 × 105,097.01
  4. Step 4: Simplify right side
    168,247.17x = 26,461,143,677.54
  5. Step 5: Solve for x
    x = 26,461,143,677.54/168,247.17
  6. Step 6: Final answer
    x = 157,275.42

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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.