Home / 144,982.96-200,082.90-81,326.68

Finding the Fourth Proportional to 144,982.96, 200,082.90 and 81,326.68

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Solution

The fourth proportional to 144,982.96, 200,082.90 and 81,326.68 is: 112,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,982.96 : 200,082.90 = 81,326.68 : x
  2. Step 2: Convert to fraction form
    144,982.96/200,082.90 = 81,326.68/x
  3. Step 3: Cross multiply
    144,982.96x = 200,082.90 × 81,326.68
  4. Step 4: Simplify right side
    144,982.96x = 16,272,077,981.77
  5. Step 5: Solve for x
    x = 16,272,077,981.77/144,982.96
  6. Step 6: Final answer
    x = 112,234.42

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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.