Home / 127,780.84-191,682.78-34,285.96

Finding the Fourth Proportional to 127,780.84, 191,682.78 and 34,285.96

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Solution

The fourth proportional to 127,780.84, 191,682.78 and 34,285.96 is: 51,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,780.84 : 191,682.78 = 34,285.96 : x
  2. Step 2: Convert to fraction form
    127,780.84/191,682.78 = 34,285.96/x
  3. Step 3: Cross multiply
    127,780.84x = 191,682.78 × 34,285.96
  4. Step 4: Simplify right side
    127,780.84x = 6,572,028,127.77
  5. Step 5: Solve for x
    x = 6,572,028,127.77/127,780.84
  6. Step 6: Final answer
    x = 51,432.03

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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.