Home / 103,336.10-154,967.70-36,778.40

Finding the Fourth Proportional to 103,336.10, 154,967.70 and 36,778.40

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Solution

The fourth proportional to 103,336.10, 154,967.70 and 36,778.40 is: 55,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,336.10 : 154,967.70 = 36,778.40 : x
  2. Step 2: Convert to fraction form
    103,336.10/154,967.70 = 36,778.40/x
  3. Step 3: Cross multiply
    103,336.10x = 154,967.70 × 36,778.40
  4. Step 4: Simplify right side
    103,336.10x = 5,699,464,057.68
  5. Step 5: Solve for x
    x = 5,699,464,057.68/103,336.10
  6. Step 6: Final answer
    x = 55,154.63

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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.