Home / 130,913.82-180,551.43-80,525.34

Finding the Fourth Proportional to 130,913.82, 180,551.43 and 80,525.34

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Solution

The fourth proportional to 130,913.82, 180,551.43 and 80,525.34 is: 111,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,913.82 : 180,551.43 = 80,525.34 : x
  2. Step 2: Convert to fraction form
    130,913.82/180,551.43 = 80,525.34/x
  3. Step 3: Cross multiply
    130,913.82x = 180,551.43 × 80,525.34
  4. Step 4: Simplify right side
    130,913.82x = 14,538,965,288.24
  5. Step 5: Solve for x
    x = 14,538,965,288.24/130,913.82
  6. Step 6: Final answer
    x = 111,057.53

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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.