Home / 220,895.84-304,831.87-130,255.63

Finding the Fourth Proportional to 220,895.84, 304,831.87 and 130,255.63

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Solution

The fourth proportional to 220,895.84, 304,831.87 and 130,255.63 is: 179,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,895.84 : 304,831.87 = 130,255.63 : x
  2. Step 2: Convert to fraction form
    220,895.84/304,831.87 = 130,255.63/x
  3. Step 3: Cross multiply
    220,895.84x = 304,831.87 × 130,255.63
  4. Step 4: Simplify right side
    220,895.84x = 39,706,066,183.21
  5. Step 5: Solve for x
    x = 39,706,066,183.21/220,895.84
  6. Step 6: Final answer
    x = 179,750.17

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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.