Home / 242,137.49-363,208.05-84,365.69

Finding the Fourth Proportional to 242,137.49, 363,208.05 and 84,365.69

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Solution

The fourth proportional to 242,137.49, 363,208.05 and 84,365.69 is: 126,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,137.49 : 363,208.05 = 84,365.69 : x
  2. Step 2: Convert to fraction form
    242,137.49/363,208.05 = 84,365.69/x
  3. Step 3: Cross multiply
    242,137.49x = 363,208.05 × 84,365.69
  4. Step 4: Simplify right side
    242,137.49x = 30,642,295,935.76
  5. Step 5: Solve for x
    x = 30,642,295,935.76/242,137.49
  6. Step 6: Final answer
    x = 126,549.16

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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.