Home / 127,310.50-191,007.87-68,132.98

Finding the Fourth Proportional to 127,310.50, 191,007.87 and 68,132.98

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Solution

The fourth proportional to 127,310.50, 191,007.87 and 68,132.98 is: 102,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,310.50 : 191,007.87 = 68,132.98 : x
  2. Step 2: Convert to fraction form
    127,310.50/191,007.87 = 68,132.98/x
  3. Step 3: Cross multiply
    127,310.50x = 191,007.87 × 68,132.98
  4. Step 4: Simplify right side
    127,310.50x = 13,013,935,386.55
  5. Step 5: Solve for x
    x = 13,013,935,386.55/127,310.50
  6. Step 6: Final answer
    x = 102,222.01

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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.