Home / 130,573.28-180,180.96-73,993.52

Finding the Fourth Proportional to 130,573.28, 180,180.96 and 73,993.52

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Solution

The fourth proportional to 130,573.28, 180,180.96 and 73,993.52 is: 102,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,573.28 : 180,180.96 = 73,993.52 : x
  2. Step 2: Convert to fraction form
    130,573.28/180,180.96 = 73,993.52/x
  3. Step 3: Cross multiply
    130,573.28x = 180,180.96 × 73,993.52
  4. Step 4: Simplify right side
    130,573.28x = 13,332,223,467.38
  5. Step 5: Solve for x
    x = 13,332,223,467.38/130,573.28
  6. Step 6: Final answer
    x = 102,105.30

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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.