Home / 130,535.64-195,379.83-70,480.62

Finding the Fourth Proportional to 130,535.64, 195,379.83 and 70,480.62

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Solution

The fourth proportional to 130,535.64, 195,379.83 and 70,480.62 is: 105,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,535.64 : 195,379.83 = 70,480.62 : x
  2. Step 2: Convert to fraction form
    130,535.64/195,379.83 = 70,480.62/x
  3. Step 3: Cross multiply
    130,535.64x = 195,379.83 × 70,480.62
  4. Step 4: Simplify right side
    130,535.64x = 13,770,491,553.89
  5. Step 5: Solve for x
    x = 13,770,491,553.89/130,535.64
  6. Step 6: Final answer
    x = 105,492.20

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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.