Home / 130,901.70-196,352.55-68,564.10

Finding the Fourth Proportional to 130,901.70, 196,352.55 and 68,564.10

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Solution

The fourth proportional to 130,901.70, 196,352.55 and 68,564.10 is: 102,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,901.70 : 196,352.55 = 68,564.10 : x
  2. Step 2: Convert to fraction form
    130,901.70/196,352.55 = 68,564.10/x
  3. Step 3: Cross multiply
    130,901.70x = 196,352.55 × 68,564.10
  4. Step 4: Simplify right side
    130,901.70x = 13,462,735,873.46
  5. Step 5: Solve for x
    x = 13,462,735,873.46/130,901.70
  6. Step 6: Final answer
    x = 102,846.15

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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.