Home / 130,851.40-196,277.10-109,856.20

Finding the Fourth Proportional to 130,851.40, 196,277.10 and 109,856.20

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Solution

The fourth proportional to 130,851.40, 196,277.10 and 109,856.20 is: 164,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,851.40 : 196,277.10 = 109,856.20 : x
  2. Step 2: Convert to fraction form
    130,851.40/196,277.10 = 109,856.20/x
  3. Step 3: Cross multiply
    130,851.40x = 196,277.10 × 109,856.20
  4. Step 4: Simplify right side
    130,851.40x = 21,562,256,353.02
  5. Step 5: Solve for x
    x = 21,562,256,353.02/130,851.40
  6. Step 6: Final answer
    x = 164,784.30

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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.