Home / 130,069.26-179,524.53-79,071.19

Finding the Fourth Proportional to 130,069.26, 179,524.53 and 79,071.19

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Solution

The fourth proportional to 130,069.26, 179,524.53 and 79,071.19 is: 109,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.26 : 179,524.53 = 79,071.19 : x
  2. Step 2: Convert to fraction form
    130,069.26/179,524.53 = 79,071.19/x
  3. Step 3: Cross multiply
    130,069.26x = 179,524.53 × 79,071.19
  4. Step 4: Simplify right side
    130,069.26x = 14,195,217,550.09
  5. Step 5: Solve for x
    x = 14,195,217,550.09/130,069.26
  6. Step 6: Final answer
    x = 109,135.84

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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.