Home / 130,273.74-179,786.43-72,918.03

Finding the Fourth Proportional to 130,273.74, 179,786.43 and 72,918.03

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Solution

The fourth proportional to 130,273.74, 179,786.43 and 72,918.03 is: 100,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,273.74 : 179,786.43 = 72,918.03 : x
  2. Step 2: Convert to fraction form
    130,273.74/179,786.43 = 72,918.03/x
  3. Step 3: Cross multiply
    130,273.74x = 179,786.43 × 72,918.03
  4. Step 4: Simplify right side
    130,273.74x = 13,109,672,296.33
  5. Step 5: Solve for x
    x = 13,109,672,296.33/130,273.74
  6. Step 6: Final answer
    x = 100,631.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.