Home / 144,895.41-199,944.18-81,224.55

Finding the Fourth Proportional to 144,895.41, 199,944.18 and 81,224.55

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Solution

The fourth proportional to 144,895.41, 199,944.18 and 81,224.55 is: 112,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,895.41 : 199,944.18 = 81,224.55 : x
  2. Step 2: Convert to fraction form
    144,895.41/199,944.18 = 81,224.55/x
  3. Step 3: Cross multiply
    144,895.41x = 199,944.18 × 81,224.55
  4. Step 4: Simplify right side
    144,895.41x = 16,240,376,045.62
  5. Step 5: Solve for x
    x = 16,240,376,045.62/144,895.41
  6. Step 6: Final answer
    x = 112,083.44

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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.