Home / 143,752.08-198,380.04-82,508.40

Finding the Fourth Proportional to 143,752.08, 198,380.04 and 82,508.40

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Solution

The fourth proportional to 143,752.08, 198,380.04 and 82,508.40 is: 113,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,752.08 : 198,380.04 = 82,508.40 : x
  2. Step 2: Convert to fraction form
    143,752.08/198,380.04 = 82,508.40/x
  3. Step 3: Cross multiply
    143,752.08x = 198,380.04 × 82,508.40
  4. Step 4: Simplify right side
    143,752.08x = 16,368,019,692.34
  5. Step 5: Solve for x
    x = 16,368,019,692.34/143,752.08
  6. Step 6: Final answer
    x = 113,862.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.