Home / 144,990.46-200,073.39-81,315.94

Finding the Fourth Proportional to 144,990.46, 200,073.39 and 81,315.94

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Solution

The fourth proportional to 144,990.46, 200,073.39 and 81,315.94 is: 112,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,990.46 : 200,073.39 = 81,315.94 : x
  2. Step 2: Convert to fraction form
    144,990.46/200,073.39 = 81,315.94/x
  3. Step 3: Cross multiply
    144,990.46x = 200,073.39 × 81,315.94
  4. Step 4: Simplify right side
    144,990.46x = 16,269,155,776.84
  5. Step 5: Solve for x
    x = 16,269,155,776.84/144,990.46
  6. Step 6: Final answer
    x = 112,208.46

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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.