Home / 144,514.94-199,430.80-80,852.79

Finding the Fourth Proportional to 144,514.94, 199,430.80 and 80,852.79

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Solution

The fourth proportional to 144,514.94, 199,430.80 and 80,852.79 is: 111,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,514.94 : 199,430.80 = 80,852.79 : x
  2. Step 2: Convert to fraction form
    144,514.94/199,430.80 = 80,852.79/x
  3. Step 3: Cross multiply
    144,514.94x = 199,430.80 × 80,852.79
  4. Step 4: Simplify right side
    144,514.94x = 16,124,536,463.07
  5. Step 5: Solve for x
    x = 16,124,536,463.07/144,514.94
  6. Step 6: Final answer
    x = 111,576.95

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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.