Home / 115,455.76-173,184.90-40,578.04

Finding the Fourth Proportional to 115,455.76, 173,184.90 and 40,578.04

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Solution

The fourth proportional to 115,455.76, 173,184.90 and 40,578.04 is: 60,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,455.76 : 173,184.90 = 40,578.04 : x
  2. Step 2: Convert to fraction form
    115,455.76/173,184.90 = 40,578.04/x
  3. Step 3: Cross multiply
    115,455.76x = 173,184.90 × 40,578.04
  4. Step 4: Simplify right side
    115,455.76x = 7,027,503,799.60
  5. Step 5: Solve for x
    x = 7,027,503,799.60/115,455.76
  6. Step 6: Final answer
    x = 60,867.50

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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.