Home / 129,848.88-194,798.58-49,881

Finding the Fourth Proportional to 129,848.88, 194,798.58 and 49,881

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Solution

The fourth proportional to 129,848.88, 194,798.58 and 49,881 is: 74,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,848.88 : 194,798.58 = 49,881 : x
  2. Step 2: Convert to fraction form
    129,848.88/194,798.58 = 49,881/x
  3. Step 3: Cross multiply
    129,848.88x = 194,798.58 × 49,881
  4. Step 4: Simplify right side
    129,848.88x = 9,716,747,968.98
  5. Step 5: Solve for x
    x = 9,716,747,968.98/129,848.88
  6. Step 6: Final answer
    x = 74,831.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.