Home / 140,792.02-194,245.48-80,320.12

Finding the Fourth Proportional to 140,792.02, 194,245.48 and 80,320.12

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Solution

The fourth proportional to 140,792.02, 194,245.48 and 80,320.12 is: 110,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,792.02 : 194,245.48 = 80,320.12 : x
  2. Step 2: Convert to fraction form
    140,792.02/194,245.48 = 80,320.12/x
  3. Step 3: Cross multiply
    140,792.02x = 194,245.48 × 80,320.12
  4. Step 4: Simplify right side
    140,792.02x = 15,601,820,263.06
  5. Step 5: Solve for x
    x = 15,601,820,263.06/140,792.02
  6. Step 6: Final answer
    x = 110,814.66

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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.