Home / 130,173.63-195,185.71-51,244.80

Finding the Fourth Proportional to 130,173.63, 195,185.71 and 51,244.80

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Solution

The fourth proportional to 130,173.63, 195,185.71 and 51,244.80 is: 76,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,173.63 : 195,185.71 = 51,244.80 : x
  2. Step 2: Convert to fraction form
    130,173.63/195,185.71 = 51,244.80/x
  3. Step 3: Cross multiply
    130,173.63x = 195,185.71 × 51,244.80
  4. Step 4: Simplify right side
    130,173.63x = 10,002,252,671.81
  5. Step 5: Solve for x
    x = 10,002,252,671.81/130,173.63
  6. Step 6: Final answer
    x = 76,837.78

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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.