Home / 130,429.20-195,730.20-74,269.20

Finding the Fourth Proportional to 130,429.20, 195,730.20 and 74,269.20

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Solution

The fourth proportional to 130,429.20, 195,730.20 and 74,269.20 is: 111,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,429.20 : 195,730.20 = 74,269.20 : x
  2. Step 2: Convert to fraction form
    130,429.20/195,730.20 = 74,269.20/x
  3. Step 3: Cross multiply
    130,429.20x = 195,730.20 × 74,269.20
  4. Step 4: Simplify right side
    130,429.20x = 14,536,725,369.84
  5. Step 5: Solve for x
    x = 14,536,725,369.84/130,429.20
  6. Step 6: Final answer
    x = 111,453.00

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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.