Home / 130,038.15-195,105.83-51,207.33

Finding the Fourth Proportional to 130,038.15, 195,105.83 and 51,207.33

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Solution

The fourth proportional to 130,038.15, 195,105.83 and 51,207.33 is: 76,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,038.15 : 195,105.83 = 51,207.33 : x
  2. Step 2: Convert to fraction form
    130,038.15/195,105.83 = 51,207.33/x
  3. Step 3: Cross multiply
    130,038.15x = 195,105.83 × 51,207.33
  4. Step 4: Simplify right side
    130,038.15x = 9,990,848,365.70
  5. Step 5: Solve for x
    x = 9,990,848,365.70/130,038.15
  6. Step 6: Final answer
    x = 76,830.13

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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.