Home / 162,003.55-243,005.33-149,209.60

Finding the Fourth Proportional to 162,003.55, 243,005.33 and 149,209.60

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Solution

The fourth proportional to 162,003.55, 243,005.33 and 149,209.60 is: 223,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003.55 : 243,005.33 = 149,209.60 : x
  2. Step 2: Convert to fraction form
    162,003.55/243,005.33 = 149,209.60/x
  3. Step 3: Cross multiply
    162,003.55x = 243,005.33 × 149,209.60
  4. Step 4: Simplify right side
    162,003.55x = 36,258,728,087.17
  5. Step 5: Solve for x
    x = 36,258,728,087.17/162,003.55
  6. Step 6: Final answer
    x = 223,814.40

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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.