Home / 117,987.27-162,824.95-64,272.17

Finding the Fourth Proportional to 117,987.27, 162,824.95 and 64,272.17

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Solution

The fourth proportional to 117,987.27, 162,824.95 and 64,272.17 is: 88,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,987.27 : 162,824.95 = 64,272.17 : x
  2. Step 2: Convert to fraction form
    117,987.27/162,824.95 = 64,272.17/x
  3. Step 3: Cross multiply
    117,987.27x = 162,824.95 × 64,272.17
  4. Step 4: Simplify right side
    117,987.27x = 10,465,112,866.64
  5. Step 5: Solve for x
    x = 10,465,112,866.64/117,987.27
  6. Step 6: Final answer
    x = 88,696.97

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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.