Home / 130,103.29-195,199.24-70,137.56

Finding the Fourth Proportional to 130,103.29, 195,199.24 and 70,137.56

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Solution

The fourth proportional to 130,103.29, 195,199.24 and 70,137.56 is: 105,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,103.29 : 195,199.24 = 70,137.56 : x
  2. Step 2: Convert to fraction form
    130,103.29/195,199.24 = 70,137.56/x
  3. Step 3: Cross multiply
    130,103.29x = 195,199.24 × 70,137.56
  4. Step 4: Simplify right side
    130,103.29x = 13,690,797,628.18
  5. Step 5: Solve for x
    x = 13,690,797,628.18/130,103.29
  6. Step 6: Final answer
    x = 105,230.22

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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.