Home / 181,953.12-251,097-100,284.29

Finding the Fourth Proportional to 181,953.12, 251,097 and 100,284.29

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Solution

The fourth proportional to 181,953.12, 251,097 and 100,284.29 is: 138,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,953.12 : 251,097 = 100,284.29 : x
  2. Step 2: Convert to fraction form
    181,953.12/251,097 = 100,284.29/x
  3. Step 3: Cross multiply
    181,953.12x = 251,097 × 100,284.29
  4. Step 4: Simplify right side
    181,953.12x = 25,181,084,366.13
  5. Step 5: Solve for x
    x = 25,181,084,366.13/181,953.12
  6. Step 6: Final answer
    x = 138,393.25

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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.