Home / 102,007.25-140,786.70-84,984.50

Finding the Fourth Proportional to 102,007.25, 140,786.70 and 84,984.50

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Solution

The fourth proportional to 102,007.25, 140,786.70 and 84,984.50 is: 117,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,007.25 : 140,786.70 = 84,984.50 : x
  2. Step 2: Convert to fraction form
    102,007.25/140,786.70 = 84,984.50/x
  3. Step 3: Cross multiply
    102,007.25x = 140,786.70 × 84,984.50
  4. Step 4: Simplify right side
    102,007.25x = 11,964,686,602.22
  5. Step 5: Solve for x
    x = 11,964,686,602.22/102,007.25
  6. Step 6: Final answer
    x = 117,292.52

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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.