Home / 142,415.37-213,436.17-104,799.30

Finding the Fourth Proportional to 142,415.37, 213,436.17 and 104,799.30

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Solution

The fourth proportional to 142,415.37, 213,436.17 and 104,799.30 is: 157,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,415.37 : 213,436.17 = 104,799.30 : x
  2. Step 2: Convert to fraction form
    142,415.37/213,436.17 = 104,799.30/x
  3. Step 3: Cross multiply
    142,415.37x = 213,436.17 × 104,799.30
  4. Step 4: Simplify right side
    142,415.37x = 22,367,961,210.68
  5. Step 5: Solve for x
    x = 22,367,961,210.68/142,415.37
  6. Step 6: Final answer
    x = 157,061.43

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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.