Home / 130,434.30-195,651.45-36,940.86

Finding the Fourth Proportional to 130,434.30, 195,651.45 and 36,940.86

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Solution

The fourth proportional to 130,434.30, 195,651.45 and 36,940.86 is: 55,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434.30 : 195,651.45 = 36,940.86 : x
  2. Step 2: Convert to fraction form
    130,434.30/195,651.45 = 36,940.86/x
  3. Step 3: Cross multiply
    130,434.30x = 195,651.45 × 36,940.86
  4. Step 4: Simplify right side
    130,434.30x = 7,227,532,823.25
  5. Step 5: Solve for x
    x = 7,227,532,823.25/130,434.30
  6. Step 6: Final answer
    x = 55,411.29

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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.