Home / 113,962.78-170,510.34-68,817.94

Finding the Fourth Proportional to 113,962.78, 170,510.34 and 68,817.94

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Solution

The fourth proportional to 113,962.78, 170,510.34 and 68,817.94 is: 102,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,962.78 : 170,510.34 = 68,817.94 : x
  2. Step 2: Convert to fraction form
    113,962.78/170,510.34 = 68,817.94/x
  3. Step 3: Cross multiply
    113,962.78x = 170,510.34 × 68,817.94
  4. Step 4: Simplify right side
    113,962.78x = 11,734,170,347.50
  5. Step 5: Solve for x
    x = 11,734,170,347.50/113,962.78
  6. Step 6: Final answer
    x = 102,964.94

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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.