Home / 144,923.91-199,994.81-80,402.93

Finding the Fourth Proportional to 144,923.91, 199,994.81 and 80,402.93

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Solution

The fourth proportional to 144,923.91, 199,994.81 and 80,402.93 is: 110,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,923.91 : 199,994.81 = 80,402.93 : x
  2. Step 2: Convert to fraction form
    144,923.91/199,994.81 = 80,402.93/x
  3. Step 3: Cross multiply
    144,923.91x = 199,994.81 × 80,402.93
  4. Step 4: Simplify right side
    144,923.91x = 16,080,168,708.79
  5. Step 5: Solve for x
    x = 16,080,168,708.79/144,923.91
  6. Step 6: Final answer
    x = 110,955.94

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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.