Home / 130,027.56-179,416.20-79,031.52

Finding the Fourth Proportional to 130,027.56, 179,416.20 and 79,031.52

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Solution

The fourth proportional to 130,027.56, 179,416.20 and 79,031.52 is: 109,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,027.56 : 179,416.20 = 79,031.52 : x
  2. Step 2: Convert to fraction form
    130,027.56/179,416.20 = 79,031.52/x
  3. Step 3: Cross multiply
    130,027.56x = 179,416.20 × 79,031.52
  4. Step 4: Simplify right side
    130,027.56x = 14,179,534,998.62
  5. Step 5: Solve for x
    x = 14,179,534,998.62/130,027.56
  6. Step 6: Final answer
    x = 109,050.23

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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.