Home / 130,018.40-195,027.60-109,023.20

Finding the Fourth Proportional to 130,018.40, 195,027.60 and 109,023.20

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Solution

The fourth proportional to 130,018.40, 195,027.60 and 109,023.20 is: 163,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,018.40 : 195,027.60 = 109,023.20 : x
  2. Step 2: Convert to fraction form
    130,018.40/195,027.60 = 109,023.20/x
  3. Step 3: Cross multiply
    130,018.40x = 195,027.60 × 109,023.20
  4. Step 4: Simplify right side
    130,018.40x = 21,262,533,040.32
  5. Step 5: Solve for x
    x = 21,262,533,040.32/130,018.40
  6. Step 6: Final answer
    x = 163,534.80

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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.