Home / 149,946.40-224,919.60-39,138.40

Finding the Fourth Proportional to 149,946.40, 224,919.60 and 39,138.40

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Solution

The fourth proportional to 149,946.40, 224,919.60 and 39,138.40 is: 58,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,946.40 : 224,919.60 = 39,138.40 : x
  2. Step 2: Convert to fraction form
    149,946.40/224,919.60 = 39,138.40/x
  3. Step 3: Cross multiply
    149,946.40x = 224,919.60 × 39,138.40
  4. Step 4: Simplify right side
    149,946.40x = 8,802,993,272.64
  5. Step 5: Solve for x
    x = 8,802,993,272.64/149,946.40
  6. Step 6: Final answer
    x = 58,707.60

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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.