Home / 188,307.64-259,862.14-103,419.24

Finding the Fourth Proportional to 188,307.64, 259,862.14 and 103,419.24

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Solution

The fourth proportional to 188,307.64, 259,862.14 and 103,419.24 is: 142,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,307.64 : 259,862.14 = 103,419.24 : x
  2. Step 2: Convert to fraction form
    188,307.64/259,862.14 = 103,419.24/x
  3. Step 3: Cross multiply
    188,307.64x = 259,862.14 × 103,419.24
  4. Step 4: Simplify right side
    188,307.64x = 26,874,745,023.57
  5. Step 5: Solve for x
    x = 26,874,745,023.57/188,307.64
  6. Step 6: Final answer
    x = 142,717.23

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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.