Home / 144,007.02-198,730.26-80,347.50

Finding the Fourth Proportional to 144,007.02, 198,730.26 and 80,347.50

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Solution

The fourth proportional to 144,007.02, 198,730.26 and 80,347.50 is: 110,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,007.02 : 198,730.26 = 80,347.50 : x
  2. Step 2: Convert to fraction form
    144,007.02/198,730.26 = 80,347.50/x
  3. Step 3: Cross multiply
    144,007.02x = 198,730.26 × 80,347.50
  4. Step 4: Simplify right side
    144,007.02x = 15,967,479,565.35
  5. Step 5: Solve for x
    x = 15,967,479,565.35/144,007.02
  6. Step 6: Final answer
    x = 110,879.87

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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.