Home / 103,614.35-155,406.07-28,726.68

Finding the Fourth Proportional to 103,614.35, 155,406.07 and 28,726.68

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Solution

The fourth proportional to 103,614.35, 155,406.07 and 28,726.68 is: 43,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,614.35 : 155,406.07 = 28,726.68 : x
  2. Step 2: Convert to fraction form
    103,614.35/155,406.07 = 28,726.68/x
  3. Step 3: Cross multiply
    103,614.35x = 155,406.07 × 28,726.68
  4. Step 4: Simplify right side
    103,614.35x = 4,464,300,442.95
  5. Step 5: Solve for x
    x = 4,464,300,442.95/103,614.35
  6. Step 6: Final answer
    x = 43,085.74

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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.