Home / 102,868.36-141,959.46-60,428.68

Finding the Fourth Proportional to 102,868.36, 141,959.46 and 60,428.68

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Solution

The fourth proportional to 102,868.36, 141,959.46 and 60,428.68 is: 83,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,868.36 : 141,959.46 = 60,428.68 : x
  2. Step 2: Convert to fraction form
    102,868.36/141,959.46 = 60,428.68/x
  3. Step 3: Cross multiply
    102,868.36x = 141,959.46 × 60,428.68
  4. Step 4: Simplify right side
    102,868.36x = 8,578,422,781.31
  5. Step 5: Solve for x
    x = 8,578,422,781.31/102,868.36
  6. Step 6: Final answer
    x = 83,392.24

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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.