Home / 103,050.15-154,584.45-28,170.69

Finding the Fourth Proportional to 103,050.15, 154,584.45 and 28,170.69

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Solution

The fourth proportional to 103,050.15, 154,584.45 and 28,170.69 is: 42,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,050.15 : 154,584.45 = 28,170.69 : x
  2. Step 2: Convert to fraction form
    103,050.15/154,584.45 = 28,170.69/x
  3. Step 3: Cross multiply
    103,050.15x = 154,584.45 × 28,170.69
  4. Step 4: Simplify right side
    103,050.15x = 4,354,750,040.08
  5. Step 5: Solve for x
    x = 4,354,750,040.08/103,050.15
  6. Step 6: Final answer
    x = 42,258.55

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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.