Home / 131,346.80-181,135.56-104,577.68

Finding the Fourth Proportional to 131,346.80, 181,135.56 and 104,577.68

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Solution

The fourth proportional to 131,346.80, 181,135.56 and 104,577.68 is: 144,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,346.80 : 181,135.56 = 104,577.68 : x
  2. Step 2: Convert to fraction form
    131,346.80/181,135.56 = 104,577.68/x
  3. Step 3: Cross multiply
    131,346.80x = 181,135.56 × 104,577.68
  4. Step 4: Simplify right side
    131,346.80x = 18,942,736,630.30
  5. Step 5: Solve for x
    x = 18,942,736,630.30/131,346.80
  6. Step 6: Final answer
    x = 144,219.25

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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.