Home / 115,418.84-173,119.61-40,539.64

Finding the Fourth Proportional to 115,418.84, 173,119.61 and 40,539.64

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Solution

The fourth proportional to 115,418.84, 173,119.61 and 40,539.64 is: 60,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,418.84 : 173,119.61 = 40,539.64 : x
  2. Step 2: Convert to fraction form
    115,418.84/173,119.61 = 40,539.64/x
  3. Step 3: Cross multiply
    115,418.84x = 173,119.61 × 40,539.64
  4. Step 4: Simplify right side
    115,418.84x = 7,018,206,666.34
  5. Step 5: Solve for x
    x = 7,018,206,666.34/115,418.84
  6. Step 6: Final answer
    x = 60,806.42

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1.5x scale

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.