Home / 130,273.14-179,780.13-72,912.02

Finding the Fourth Proportional to 130,273.14, 179,780.13 and 72,912.02

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Solution

The fourth proportional to 130,273.14, 179,780.13 and 72,912.02 is: 100,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,273.14 : 179,780.13 = 72,912.02 : x
  2. Step 2: Convert to fraction form
    130,273.14/179,780.13 = 72,912.02/x
  3. Step 3: Cross multiply
    130,273.14x = 179,780.13 × 72,912.02
  4. Step 4: Simplify right side
    130,273.14x = 13,108,131,535.26
  5. Step 5: Solve for x
    x = 13,108,131,535.26/130,273.14
  6. Step 6: Final answer
    x = 100,620.37

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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.