Home / 144,374.43-199,237.38-80,710.86

Finding the Fourth Proportional to 144,374.43, 199,237.38 and 80,710.86

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Solution

The fourth proportional to 144,374.43, 199,237.38 and 80,710.86 is: 111,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,374.43 : 199,237.38 = 80,710.86 : x
  2. Step 2: Convert to fraction form
    144,374.43/199,237.38 = 80,710.86/x
  3. Step 3: Cross multiply
    144,374.43x = 199,237.38 × 80,710.86
  4. Step 4: Simplify right side
    144,374.43x = 16,080,620,283.95
  5. Step 5: Solve for x
    x = 16,080,620,283.95/144,374.43
  6. Step 6: Final answer
    x = 111,381.36

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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.