Home / 144,292.61-199,119.98-80,630.93

Finding the Fourth Proportional to 144,292.61, 199,119.98 and 80,630.93

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Solution

The fourth proportional to 144,292.61, 199,119.98 and 80,630.93 is: 111,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292.61 : 199,119.98 = 80,630.93 : x
  2. Step 2: Convert to fraction form
    144,292.61/199,119.98 = 80,630.93/x
  3. Step 3: Cross multiply
    144,292.61x = 199,119.98 × 80,630.93
  4. Step 4: Simplify right side
    144,292.61x = 16,055,229,168.98
  5. Step 5: Solve for x
    x = 16,055,229,168.98/144,292.61
  6. Step 6: Final answer
    x = 111,268.55

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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.