Home / 144,983.09-200,086.13-81,325.19

Finding the Fourth Proportional to 144,983.09, 200,086.13 and 81,325.19

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Solution

The fourth proportional to 144,983.09, 200,086.13 and 81,325.19 is: 112,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,983.09 : 200,086.13 = 81,325.19 : x
  2. Step 2: Convert to fraction form
    144,983.09/200,086.13 = 81,325.19/x
  3. Step 3: Cross multiply
    144,983.09x = 200,086.13 × 81,325.19
  4. Step 4: Simplify right side
    144,983.09x = 16,272,042,538.61
  5. Step 5: Solve for x
    x = 16,272,042,538.61/144,983.09
  6. Step 6: Final answer
    x = 112,234.07

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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.