Home / 143,337.30-215,235.45-113,999.10

Finding the Fourth Proportional to 143,337.30, 215,235.45 and 113,999.10

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Solution

The fourth proportional to 143,337.30, 215,235.45 and 113,999.10 is: 171,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337.30 : 215,235.45 = 113,999.10 : x
  2. Step 2: Convert to fraction form
    143,337.30/215,235.45 = 113,999.10/x
  3. Step 3: Cross multiply
    143,337.30x = 215,235.45 × 113,999.10
  4. Step 4: Simplify right side
    143,337.30x = 24,536,647,588.10
  5. Step 5: Solve for x
    x = 24,536,647,588.10/143,337.30
  6. Step 6: Final answer
    x = 171,181.18

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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.