Home / 130,089.96-179,553.14-79,091.92

Finding the Fourth Proportional to 130,089.96, 179,553.14 and 79,091.92

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Solution

The fourth proportional to 130,089.96, 179,553.14 and 79,091.92 is: 109,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,089.96 : 179,553.14 = 79,091.92 : x
  2. Step 2: Convert to fraction form
    130,089.96/179,553.14 = 79,091.92/x
  3. Step 3: Cross multiply
    130,089.96x = 179,553.14 × 79,091.92
  4. Step 4: Simplify right side
    130,089.96x = 14,201,202,584.63
  5. Step 5: Solve for x
    x = 14,201,202,584.63/130,089.96
  6. Step 6: Final answer
    x = 109,164.48

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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.