Home / 103,270.36-154,928.34-40,939.24

Finding the Fourth Proportional to 103,270.36, 154,928.34 and 40,939.24

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Solution

The fourth proportional to 103,270.36, 154,928.34 and 40,939.24 is: 61,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,270.36 : 154,928.34 = 40,939.24 : x
  2. Step 2: Convert to fraction form
    103,270.36/154,928.34 = 40,939.24/x
  3. Step 3: Cross multiply
    103,270.36x = 154,928.34 × 40,939.24
  4. Step 4: Simplify right side
    103,270.36x = 6,342,648,494.06
  5. Step 5: Solve for x
    x = 6,342,648,494.06/103,270.36
  6. Step 6: Final answer
    x = 61,417.90

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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.