Home / 187,458.09-281,133.39-61,109.36

Finding the Fourth Proportional to 187,458.09, 281,133.39 and 61,109.36

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Solution

The fourth proportional to 187,458.09, 281,133.39 and 61,109.36 is: 91,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,458.09 : 281,133.39 = 61,109.36 : x
  2. Step 2: Convert to fraction form
    187,458.09/281,133.39 = 61,109.36/x
  3. Step 3: Cross multiply
    187,458.09x = 281,133.39 × 61,109.36
  4. Step 4: Simplify right side
    187,458.09x = 17,179,881,415.27
  5. Step 5: Solve for x
    x = 17,179,881,415.27/187,458.09
  6. Step 6: Final answer
    x = 91,646.52

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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.