Home / 115,445.20-173,124.60-40,536.40

Finding the Fourth Proportional to 115,445.20, 173,124.60 and 40,536.40

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Solution

The fourth proportional to 115,445.20, 173,124.60 and 40,536.40 is: 60,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,445.20 : 173,124.60 = 40,536.40 : x
  2. Step 2: Convert to fraction form
    115,445.20/173,124.60 = 40,536.40/x
  3. Step 3: Cross multiply
    115,445.20x = 173,124.60 × 40,536.40
  4. Step 4: Simplify right side
    115,445.20x = 7,017,848,035.44
  5. Step 5: Solve for x
    x = 7,017,848,035.44/115,445.20
  6. Step 6: Final answer
    x = 60,789.43

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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.