Home / 101,740.23-140,384.41-67,799.39

Finding the Fourth Proportional to 101,740.23, 140,384.41 and 67,799.39

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Solution

The fourth proportional to 101,740.23, 140,384.41 and 67,799.39 is: 93,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,740.23 : 140,384.41 = 67,799.39 : x
  2. Step 2: Convert to fraction form
    101,740.23/140,384.41 = 67,799.39/x
  3. Step 3: Cross multiply
    101,740.23x = 140,384.41 × 67,799.39
  4. Step 4: Simplify right side
    101,740.23x = 9,517,976,492.09
  5. Step 5: Solve for x
    x = 9,517,976,492.09/101,740.23
  6. Step 6: Final answer
    x = 93,551.75

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1.5x scale

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.