Home / 130,026.02-195,261.36-80,399.34

Finding the Fourth Proportional to 130,026.02, 195,261.36 and 80,399.34

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Solution

The fourth proportional to 130,026.02, 195,261.36 and 80,399.34 is: 120,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,026.02 : 195,261.36 = 80,399.34 : x
  2. Step 2: Convert to fraction form
    130,026.02/195,261.36 = 80,399.34/x
  3. Step 3: Cross multiply
    130,026.02x = 195,261.36 × 80,399.34
  4. Step 4: Simplify right side
    130,026.02x = 15,698,884,471.50
  5. Step 5: Solve for x
    x = 15,698,884,471.50/130,026.02
  6. Step 6: Final answer
    x = 120,736.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.