Home / 130,266.60-195,464.70-51,383.40

Finding the Fourth Proportional to 130,266.60, 195,464.70 and 51,383.40

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Solution

The fourth proportional to 130,266.60, 195,464.70 and 51,383.40 is: 77,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.60 : 195,464.70 = 51,383.40 : x
  2. Step 2: Convert to fraction form
    130,266.60/195,464.70 = 51,383.40/x
  3. Step 3: Cross multiply
    130,266.60x = 195,464.70 × 51,383.40
  4. Step 4: Simplify right side
    130,266.60x = 10,043,640,865.98
  5. Step 5: Solve for x
    x = 10,043,640,865.98/130,266.60
  6. Step 6: Final answer
    x = 77,100.66

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1.5x scale

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.