Home / 130,104.18-179,539.20-73,514.34

Finding the Fourth Proportional to 130,104.18, 179,539.20 and 73,514.34

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Solution

The fourth proportional to 130,104.18, 179,539.20 and 73,514.34 is: 101,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,104.18 : 179,539.20 = 73,514.34 : x
  2. Step 2: Convert to fraction form
    130,104.18/179,539.20 = 73,514.34/x
  3. Step 3: Cross multiply
    130,104.18x = 179,539.20 × 73,514.34
  4. Step 4: Simplify right side
    130,104.18x = 13,198,705,792.13
  5. Step 5: Solve for x
    x = 13,198,705,792.13/130,104.18
  6. Step 6: Final answer
    x = 101,447.21

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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.