Home / 130,249.26-179,683.65-76,533.30

Finding the Fourth Proportional to 130,249.26, 179,683.65 and 76,533.30

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Solution

The fourth proportional to 130,249.26, 179,683.65 and 76,533.30 is: 105,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,249.26 : 179,683.65 = 76,533.30 : x
  2. Step 2: Convert to fraction form
    130,249.26/179,683.65 = 76,533.30/x
  3. Step 3: Cross multiply
    130,249.26x = 179,683.65 × 76,533.30
  4. Step 4: Simplify right side
    130,249.26x = 13,751,782,690.55
  5. Step 5: Solve for x
    x = 13,751,782,690.55/130,249.26
  6. Step 6: Final answer
    x = 105,580.51

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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.