Home / 103,439.66-155,171.64-36,889.25

Finding the Fourth Proportional to 103,439.66, 155,171.64 and 36,889.25

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Solution

The fourth proportional to 103,439.66, 155,171.64 and 36,889.25 is: 55,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439.66 : 155,171.64 = 36,889.25 : x
  2. Step 2: Convert to fraction form
    103,439.66/155,171.64 = 36,889.25/x
  3. Step 3: Cross multiply
    103,439.66x = 155,171.64 × 36,889.25
  4. Step 4: Simplify right side
    103,439.66x = 5,724,164,645.01
  5. Step 5: Solve for x
    x = 5,724,164,645.01/103,439.66
  6. Step 6: Final answer
    x = 55,338.20

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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.