Home / 130,945.01-180,725.85-77,243.22

Finding the Fourth Proportional to 130,945.01, 180,725.85 and 77,243.22

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Solution

The fourth proportional to 130,945.01, 180,725.85 and 77,243.22 is: 106,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,945.01 : 180,725.85 = 77,243.22 : x
  2. Step 2: Convert to fraction form
    130,945.01/180,725.85 = 77,243.22/x
  3. Step 3: Cross multiply
    130,945.01x = 180,725.85 × 77,243.22
  4. Step 4: Simplify right side
    130,945.01x = 13,959,846,591.24
  5. Step 5: Solve for x
    x = 13,959,846,591.24/130,945.01
  6. Step 6: Final answer
    x = 106,608.47

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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.