Home / 130,066.88-195,010.67-51,190.16

Finding the Fourth Proportional to 130,066.88, 195,010.67 and 51,190.16

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Solution

The fourth proportional to 130,066.88, 195,010.67 and 51,190.16 is: 76,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,066.88 : 195,010.67 = 51,190.16 : x
  2. Step 2: Convert to fraction form
    130,066.88/195,010.67 = 51,190.16/x
  3. Step 3: Cross multiply
    130,066.88x = 195,010.67 × 51,190.16
  4. Step 4: Simplify right side
    130,066.88x = 9,982,626,551.93
  5. Step 5: Solve for x
    x = 9,982,626,551.93/130,066.88
  6. Step 6: Final answer
    x = 76,749.95

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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.