Home / 109,011.20-163,286.40-97,337.60

Finding the Fourth Proportional to 109,011.20, 163,286.40 and 97,337.60

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Solution

The fourth proportional to 109,011.20, 163,286.40 and 97,337.60 is: 145,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,011.20 : 163,286.40 = 97,337.60 : x
  2. Step 2: Convert to fraction form
    109,011.20/163,286.40 = 97,337.60/x
  3. Step 3: Cross multiply
    109,011.20x = 163,286.40 × 97,337.60
  4. Step 4: Simplify right side
    109,011.20x = 15,893,906,288.64
  5. Step 5: Solve for x
    x = 15,893,906,288.64/109,011.20
  6. Step 6: Final answer
    x = 145,800.67

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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.