Home / 130,023.40-195,035.10-109,028.20

Finding the Fourth Proportional to 130,023.40, 195,035.10 and 109,028.20

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Solution

The fourth proportional to 130,023.40, 195,035.10 and 109,028.20 is: 163,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.40 : 195,035.10 = 109,028.20 : x
  2. Step 2: Convert to fraction form
    130,023.40/195,035.10 = 109,028.20/x
  3. Step 3: Cross multiply
    130,023.40x = 195,035.10 × 109,028.20
  4. Step 4: Simplify right side
    130,023.40x = 21,264,325,889.82
  5. Step 5: Solve for x
    x = 21,264,325,889.82/130,023.40
  6. Step 6: Final answer
    x = 163,542.30

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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.