Home / 130,101.80-195,152.70-51,172.88

Finding the Fourth Proportional to 130,101.80, 195,152.70 and 51,172.88

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Solution

The fourth proportional to 130,101.80, 195,152.70 and 51,172.88 is: 76,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,101.80 : 195,152.70 = 51,172.88 : x
  2. Step 2: Convert to fraction form
    130,101.80/195,152.70 = 51,172.88/x
  3. Step 3: Cross multiply
    130,101.80x = 195,152.70 × 51,172.88
  4. Step 4: Simplify right side
    130,101.80x = 9,986,525,698.78
  5. Step 5: Solve for x
    x = 9,986,525,698.78/130,101.80
  6. Step 6: Final answer
    x = 76,759.32

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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.