Home / 130,150.71-195,274.67-51,319.89

Finding the Fourth Proportional to 130,150.71, 195,274.67 and 51,319.89

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Solution

The fourth proportional to 130,150.71, 195,274.67 and 51,319.89 is: 76,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,150.71 : 195,274.67 = 51,319.89 : x
  2. Step 2: Convert to fraction form
    130,150.71/195,274.67 = 51,319.89/x
  3. Step 3: Cross multiply
    130,150.71x = 195,274.67 × 51,319.89
  4. Step 4: Simplify right side
    130,150.71x = 10,021,474,584.19
  5. Step 5: Solve for x
    x = 10,021,474,584.19/130,150.71
  6. Step 6: Final answer
    x = 76,999.00

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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.