Home / 130,447.60-195,736.20-51,564.40

Finding the Fourth Proportional to 130,447.60, 195,736.20 and 51,564.40

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Solution

The fourth proportional to 130,447.60, 195,736.20 and 51,564.40 is: 77,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,447.60 : 195,736.20 = 51,564.40 : x
  2. Step 2: Convert to fraction form
    130,447.60/195,736.20 = 51,564.40/x
  3. Step 3: Cross multiply
    130,447.60x = 195,736.20 × 51,564.40
  4. Step 4: Simplify right side
    130,447.60x = 10,093,019,711.28
  5. Step 5: Solve for x
    x = 10,093,019,711.28/130,447.60
  6. Step 6: Final answer
    x = 77,372.21

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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.