Home / 144,053.02-198,793.20-80,389.45

Finding the Fourth Proportional to 144,053.02, 198,793.20 and 80,389.45

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Solution

The fourth proportional to 144,053.02, 198,793.20 and 80,389.45 is: 110,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,053.02 : 198,793.20 = 80,389.45 : x
  2. Step 2: Convert to fraction form
    144,053.02/198,793.20 = 80,389.45/x
  3. Step 3: Cross multiply
    144,053.02x = 198,793.20 × 80,389.45
  4. Step 4: Simplify right side
    144,053.02x = 15,980,876,011.74
  5. Step 5: Solve for x
    x = 15,980,876,011.74/144,053.02
  6. Step 6: Final answer
    x = 110,937.46

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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.