Home / 144,056.72-198,808.32-80,395.56

Finding the Fourth Proportional to 144,056.72, 198,808.32 and 80,395.56

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Solution

The fourth proportional to 144,056.72, 198,808.32 and 80,395.56 is: 110,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,056.72 : 198,808.32 = 80,395.56 : x
  2. Step 2: Convert to fraction form
    144,056.72/198,808.32 = 80,395.56/x
  3. Step 3: Cross multiply
    144,056.72x = 198,808.32 × 80,395.56
  4. Step 4: Simplify right side
    144,056.72x = 15,983,306,219.06
  5. Step 5: Solve for x
    x = 15,983,306,219.06/144,056.72
  6. Step 6: Final answer
    x = 110,951.48

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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.