Home / 163,517.80-245,371.29-68,740.48

Finding the Fourth Proportional to 163,517.80, 245,371.29 and 68,740.48

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Solution

The fourth proportional to 163,517.80, 245,371.29 and 68,740.48 is: 103,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,517.80 : 245,371.29 = 68,740.48 : x
  2. Step 2: Convert to fraction form
    163,517.80/245,371.29 = 68,740.48/x
  3. Step 3: Cross multiply
    163,517.80x = 245,371.29 × 68,740.48
  4. Step 4: Simplify right side
    163,517.80x = 16,866,940,252.82
  5. Step 5: Solve for x
    x = 16,866,940,252.82/163,517.80
  6. Step 6: Final answer
    x = 103,150.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.