Home / 200,024.20-300,036.30-121,097.80

Finding the Fourth Proportional to 200,024.20, 300,036.30 and 121,097.80

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Solution

The fourth proportional to 200,024.20, 300,036.30 and 121,097.80 is: 181,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,024.20 : 300,036.30 = 121,097.80 : x
  2. Step 2: Convert to fraction form
    200,024.20/300,036.30 = 121,097.80/x
  3. Step 3: Cross multiply
    200,024.20x = 300,036.30 × 121,097.80
  4. Step 4: Simplify right side
    200,024.20x = 36,333,735,850.14
  5. Step 5: Solve for x
    x = 36,333,735,850.14/200,024.20
  6. Step 6: Final answer
    x = 181,646.70

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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.