Home / 102,453.46-141,335.62-68,470.36

Finding the Fourth Proportional to 102,453.46, 141,335.62 and 68,470.36

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Solution

The fourth proportional to 102,453.46, 141,335.62 and 68,470.36 is: 94,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,453.46 : 141,335.62 = 68,470.36 : x
  2. Step 2: Convert to fraction form
    102,453.46/141,335.62 = 68,470.36/x
  3. Step 3: Cross multiply
    102,453.46x = 141,335.62 × 68,470.36
  4. Step 4: Simplify right side
    102,453.46x = 9,677,300,782.22
  5. Step 5: Solve for x
    x = 9,677,300,782.22/102,453.46
  6. Step 6: Final answer
    x = 94,455.58

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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.