Home / 144,927.92-200,000.32-80,406.94

Finding the Fourth Proportional to 144,927.92, 200,000.32 and 80,406.94

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Solution

The fourth proportional to 144,927.92, 200,000.32 and 80,406.94 is: 110,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,927.92 : 200,000.32 = 80,406.94 : x
  2. Step 2: Convert to fraction form
    144,927.92/200,000.32 = 80,406.94/x
  3. Step 3: Cross multiply
    144,927.92x = 200,000.32 × 80,406.94
  4. Step 4: Simplify right side
    144,927.92x = 16,081,413,730.22
  5. Step 5: Solve for x
    x = 16,081,413,730.22/144,927.92
  6. Step 6: Final answer
    x = 110,961.46

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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.