Home / 103,703.24-155,615.34-43,728.06

Finding the Fourth Proportional to 103,703.24, 155,615.34 and 43,728.06

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Solution

The fourth proportional to 103,703.24, 155,615.34 and 43,728.06 is: 65,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,703.24 : 155,615.34 = 43,728.06 : x
  2. Step 2: Convert to fraction form
    103,703.24/155,615.34 = 43,728.06/x
  3. Step 3: Cross multiply
    103,703.24x = 155,615.34 × 43,728.06
  4. Step 4: Simplify right side
    103,703.24x = 6,804,756,924.44
  5. Step 5: Solve for x
    x = 6,804,756,924.44/103,703.24
  6. Step 6: Final answer
    x = 65,617.59

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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.