Home / 115,418.34-173,118.86-40,539.14

Finding the Fourth Proportional to 115,418.34, 173,118.86 and 40,539.14

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Solution

The fourth proportional to 115,418.34, 173,118.86 and 40,539.14 is: 60,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,418.34 : 173,118.86 = 40,539.14 : x
  2. Step 2: Convert to fraction form
    115,418.34/173,118.86 = 40,539.14/x
  3. Step 3: Cross multiply
    115,418.34x = 173,118.86 × 40,539.14
  4. Step 4: Simplify right side
    115,418.34x = 7,018,089,702.18
  5. Step 5: Solve for x
    x = 7,018,089,702.18/115,418.34
  6. Step 6: Final answer
    x = 60,805.67

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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.