Home / 117,436.77-161,839.02-115,277.52

Finding the Fourth Proportional to 117,436.77, 161,839.02 and 115,277.52

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Solution

The fourth proportional to 117,436.77, 161,839.02 and 115,277.52 is: 158,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,436.77 : 161,839.02 = 115,277.52 : x
  2. Step 2: Convert to fraction form
    117,436.77/161,839.02 = 115,277.52/x
  3. Step 3: Cross multiply
    117,436.77x = 161,839.02 × 115,277.52
  4. Step 4: Simplify right side
    117,436.77x = 18,656,400,864.83
  5. Step 5: Solve for x
    x = 18,656,400,864.83/117,436.77
  6. Step 6: Final answer
    x = 158,863.37

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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.