Home / 200,051.24-300,234.61-87,808.93

Finding the Fourth Proportional to 200,051.24, 300,234.61 and 87,808.93

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Solution

The fourth proportional to 200,051.24, 300,234.61 and 87,808.93 is: 131,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,051.24 : 300,234.61 = 87,808.93 : x
  2. Step 2: Convert to fraction form
    200,051.24/300,234.61 = 87,808.93/x
  3. Step 3: Cross multiply
    200,051.24x = 300,234.61 × 87,808.93
  4. Step 4: Simplify right side
    200,051.24x = 26,363,280,338.12
  5. Step 5: Solve for x
    x = 26,363,280,338.12/200,051.24
  6. Step 6: Final answer
    x = 131,782.64

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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.