Home / 130,533.89-180,140.44-73,945.27

Finding the Fourth Proportional to 130,533.89, 180,140.44 and 73,945.27

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Solution

The fourth proportional to 130,533.89, 180,140.44 and 73,945.27 is: 102,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,533.89 : 180,140.44 = 73,945.27 : x
  2. Step 2: Convert to fraction form
    130,533.89/180,140.44 = 73,945.27/x
  3. Step 3: Cross multiply
    130,533.89x = 180,140.44 × 73,945.27
  4. Step 4: Simplify right side
    130,533.89x = 13,320,532,573.02
  5. Step 5: Solve for x
    x = 13,320,532,573.02/130,533.89
  6. Step 6: Final answer
    x = 102,046.55

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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.