Home / 144,006.93-198,730.26-80,347.41

Finding the Fourth Proportional to 144,006.93, 198,730.26 and 80,347.41

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Solution

The fourth proportional to 144,006.93, 198,730.26 and 80,347.41 is: 110,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,006.93 : 198,730.26 = 80,347.41 : x
  2. Step 2: Convert to fraction form
    144,006.93/198,730.26 = 80,347.41/x
  3. Step 3: Cross multiply
    144,006.93x = 198,730.26 × 80,347.41
  4. Step 4: Simplify right side
    144,006.93x = 15,967,461,679.63
  5. Step 5: Solve for x
    x = 15,967,461,679.63/144,006.93
  6. Step 6: Final answer
    x = 110,879.81

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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.