Home / 115,022.51-172,284.25-55,733.84

Finding the Fourth Proportional to 115,022.51, 172,284.25 and 55,733.84

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Solution

The fourth proportional to 115,022.51, 172,284.25 and 55,733.84 is: 83,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,022.51 : 172,284.25 = 55,733.84 : x
  2. Step 2: Convert to fraction form
    115,022.51/172,284.25 = 55,733.84/x
  3. Step 3: Cross multiply
    115,022.51x = 172,284.25 × 55,733.84
  4. Step 4: Simplify right side
    115,022.51x = 9,602,062,824.02
  5. Step 5: Solve for x
    x = 9,602,062,824.02/115,022.51
  6. Step 6: Final answer
    x = 83,479.86

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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.