Home / 130,525.28-180,118.86-73,937.12

Finding the Fourth Proportional to 130,525.28, 180,118.86 and 73,937.12

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Solution

The fourth proportional to 130,525.28, 180,118.86 and 73,937.12 is: 102,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,525.28 : 180,118.86 = 73,937.12 : x
  2. Step 2: Convert to fraction form
    130,525.28/180,118.86 = 73,937.12/x
  3. Step 3: Cross multiply
    130,525.28x = 180,118.86 × 73,937.12
  4. Step 4: Simplify right side
    130,525.28x = 13,317,469,766.08
  5. Step 5: Solve for x
    x = 13,317,469,766.08/130,525.28
  6. Step 6: Final answer
    x = 102,029.81

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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.