Home / 101,743.23-140,388.54-67,802.39

Finding the Fourth Proportional to 101,743.23, 140,388.54 and 67,802.39

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Solution

The fourth proportional to 101,743.23, 140,388.54 and 67,802.39 is: 93,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,743.23 : 140,388.54 = 67,802.39 : x
  2. Step 2: Convert to fraction form
    101,743.23/140,388.54 = 67,802.39/x
  3. Step 3: Cross multiply
    101,743.23x = 140,388.54 × 67,802.39
  4. Step 4: Simplify right side
    101,743.23x = 9,518,677,838.67
  5. Step 5: Solve for x
    x = 9,518,677,838.67/101,743.23
  6. Step 6: Final answer
    x = 93,555.88

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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.