Home / 109,485.60-164,180.40-50,301.60

Finding the Fourth Proportional to 109,485.60, 164,180.40 and 50,301.60

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Solution

The fourth proportional to 109,485.60, 164,180.40 and 50,301.60 is: 75,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485.60 : 164,180.40 = 50,301.60 : x
  2. Step 2: Convert to fraction form
    109,485.60/164,180.40 = 50,301.60/x
  3. Step 3: Cross multiply
    109,485.60x = 164,180.40 × 50,301.60
  4. Step 4: Simplify right side
    109,485.60x = 8,258,536,808.64
  5. Step 5: Solve for x
    x = 8,258,536,808.64/109,485.60
  6. Step 6: Final answer
    x = 75,430.35

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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.