Home / 200,006.16-300,009.53-81,677.50

Finding the Fourth Proportional to 200,006.16, 300,009.53 and 81,677.50

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Solution

The fourth proportional to 200,006.16, 300,009.53 and 81,677.50 is: 122,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,006.16 : 300,009.53 = 81,677.50 : x
  2. Step 2: Convert to fraction form
    200,006.16/300,009.53 = 81,677.50/x
  3. Step 3: Cross multiply
    200,006.16x = 300,009.53 × 81,677.50
  4. Step 4: Simplify right side
    200,006.16x = 24,504,029,221.27
  5. Step 5: Solve for x
    x = 24,504,029,221.27/200,006.16
  6. Step 6: Final answer
    x = 122,516.37

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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.