Home / 144,831.78-199,864.44-80,300.70

Finding the Fourth Proportional to 144,831.78, 199,864.44 and 80,300.70

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Solution

The fourth proportional to 144,831.78, 199,864.44 and 80,300.70 is: 110,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,831.78 : 199,864.44 = 80,300.70 : x
  2. Step 2: Convert to fraction form
    144,831.78/199,864.44 = 80,300.70/x
  3. Step 3: Cross multiply
    144,831.78x = 199,864.44 × 80,300.70
  4. Step 4: Simplify right side
    144,831.78x = 16,049,254,437.11
  5. Step 5: Solve for x
    x = 16,049,254,437.11/144,831.78
  6. Step 6: Final answer
    x = 110,813.07

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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.