Home / 129,929.84-194,894.46-50,988.86

Finding the Fourth Proportional to 129,929.84, 194,894.46 and 50,988.86

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Solution

The fourth proportional to 129,929.84, 194,894.46 and 50,988.86 is: 76,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,929.84 : 194,894.46 = 50,988.86 : x
  2. Step 2: Convert to fraction form
    129,929.84/194,894.46 = 50,988.86/x
  3. Step 3: Cross multiply
    129,929.84x = 194,894.46 × 50,988.86
  4. Step 4: Simplify right side
    129,929.84x = 9,937,446,335.72
  5. Step 5: Solve for x
    x = 9,937,446,335.72/129,929.84
  6. Step 6: Final answer
    x = 76,483.17

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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.