Home / 130,120.94-179,564.55-73,531.10

Finding the Fourth Proportional to 130,120.94, 179,564.55 and 73,531.10

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Solution

The fourth proportional to 130,120.94, 179,564.55 and 73,531.10 is: 101,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,120.94 : 179,564.55 = 73,531.10 : x
  2. Step 2: Convert to fraction form
    130,120.94/179,564.55 = 73,531.10/x
  3. Step 3: Cross multiply
    130,120.94x = 179,564.55 × 73,531.10
  4. Step 4: Simplify right side
    130,120.94x = 13,203,577,984.68
  5. Step 5: Solve for x
    x = 13,203,577,984.68/130,120.94
  6. Step 6: Final answer
    x = 101,471.59

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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.