Home / 130,813.94-180,520.95-73,453.73

Finding the Fourth Proportional to 130,813.94, 180,520.95 and 73,453.73

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Solution

The fourth proportional to 130,813.94, 180,520.95 and 73,453.73 is: 101,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,813.94 : 180,520.95 = 73,453.73 : x
  2. Step 2: Convert to fraction form
    130,813.94/180,520.95 = 73,453.73/x
  3. Step 3: Cross multiply
    130,813.94x = 180,520.95 × 73,453.73
  4. Step 4: Simplify right side
    130,813.94x = 13,259,936,218.04
  5. Step 5: Solve for x
    x = 13,259,936,218.04/130,813.94
  6. Step 6: Final answer
    x = 101,364.85

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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.