Home / 144,381.24-199,264.62-80,722.50

Finding the Fourth Proportional to 144,381.24, 199,264.62 and 80,722.50

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Solution

The fourth proportional to 144,381.24, 199,264.62 and 80,722.50 is: 111,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,381.24 : 199,264.62 = 80,722.50 : x
  2. Step 2: Convert to fraction form
    144,381.24/199,264.62 = 80,722.50/x
  3. Step 3: Cross multiply
    144,381.24x = 199,264.62 × 80,722.50
  4. Step 4: Simplify right side
    144,381.24x = 16,085,138,287.95
  5. Step 5: Solve for x
    x = 16,085,138,287.95/144,381.24
  6. Step 6: Final answer
    x = 111,407.40

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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.