Home / 103,604.40-155,466.16-43,628.13

Finding the Fourth Proportional to 103,604.40, 155,466.16 and 43,628.13

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Solution

The fourth proportional to 103,604.40, 155,466.16 and 43,628.13 is: 65,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,604.40 : 155,466.16 = 43,628.13 : x
  2. Step 2: Convert to fraction form
    103,604.40/155,466.16 = 43,628.13/x
  3. Step 3: Cross multiply
    103,604.40x = 155,466.16 × 43,628.13
  4. Step 4: Simplify right side
    103,604.40x = 6,782,697,730.01
  5. Step 5: Solve for x
    x = 6,782,697,730.01/103,604.40
  6. Step 6: Final answer
    x = 65,467.27

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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.