Home / 144,077.02-198,829.46-79,546.06

Finding the Fourth Proportional to 144,077.02, 198,829.46 and 79,546.06

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Solution

The fourth proportional to 144,077.02, 198,829.46 and 79,546.06 is: 109,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,077.02 : 198,829.46 = 79,546.06 : x
  2. Step 2: Convert to fraction form
    144,077.02/198,829.46 = 79,546.06/x
  3. Step 3: Cross multiply
    144,077.02x = 198,829.46 × 79,546.06
  4. Step 4: Simplify right side
    144,077.02x = 15,816,100,154.93
  5. Step 5: Solve for x
    x = 15,816,100,154.93/144,077.02
  6. Step 6: Final answer
    x = 109,775.31

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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.