Home / 130,434.60-195,716.70-51,551.40

Finding the Fourth Proportional to 130,434.60, 195,716.70 and 51,551.40

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Solution

The fourth proportional to 130,434.60, 195,716.70 and 51,551.40 is: 77,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434.60 : 195,716.70 = 51,551.40 : x
  2. Step 2: Convert to fraction form
    130,434.60/195,716.70 = 51,551.40/x
  3. Step 3: Cross multiply
    130,434.60x = 195,716.70 × 51,551.40
  4. Step 4: Simplify right side
    130,434.60x = 10,089,469,888.38
  5. Step 5: Solve for x
    x = 10,089,469,888.38/130,434.60
  6. Step 6: Final answer
    x = 77,352.71

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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.