Home / 194,720.30-268,703.15-109,831.89

Finding the Fourth Proportional to 194,720.30, 268,703.15 and 109,831.89

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Solution

The fourth proportional to 194,720.30, 268,703.15 and 109,831.89 is: 151,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,720.30 : 268,703.15 = 109,831.89 : x
  2. Step 2: Convert to fraction form
    194,720.30/268,703.15 = 109,831.89/x
  3. Step 3: Cross multiply
    194,720.30x = 268,703.15 × 109,831.89
  4. Step 4: Simplify right side
    194,720.30x = 29,512,174,264.29
  5. Step 5: Solve for x
    x = 29,512,174,264.29/194,720.30
  6. Step 6: Final answer
    x = 151,561.88

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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.