Home / 103,614.77-155,406.73-28,727.10

Finding the Fourth Proportional to 103,614.77, 155,406.73 and 28,727.10

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Solution

The fourth proportional to 103,614.77, 155,406.73 and 28,727.10 is: 43,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,614.77 : 155,406.73 = 28,727.10 : x
  2. Step 2: Convert to fraction form
    103,614.77/155,406.73 = 28,727.10/x
  3. Step 3: Cross multiply
    103,614.77x = 155,406.73 × 28,727.10
  4. Step 4: Simplify right side
    103,614.77x = 4,464,384,673.38
  5. Step 5: Solve for x
    x = 4,464,384,673.38/103,614.77
  6. Step 6: Final answer
    x = 43,086.37

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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.