Home / 130,526.70-195,636.45-68,165.10

Finding the Fourth Proportional to 130,526.70, 195,636.45 and 68,165.10

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Solution

The fourth proportional to 130,526.70, 195,636.45 and 68,165.10 is: 102,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,526.70 : 195,636.45 = 68,165.10 : x
  2. Step 2: Convert to fraction form
    130,526.70/195,636.45 = 68,165.10/x
  3. Step 3: Cross multiply
    130,526.70x = 195,636.45 × 68,165.10
  4. Step 4: Simplify right side
    130,526.70x = 13,335,578,177.90
  5. Step 5: Solve for x
    x = 13,335,578,177.90/130,526.70
  6. Step 6: Final answer
    x = 102,167.44

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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.