Home / 115,173.40-172,664.10-48,664.60

Finding the Fourth Proportional to 115,173.40, 172,664.10 and 48,664.60

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Solution

The fourth proportional to 115,173.40, 172,664.10 and 48,664.60 is: 72,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,173.40 : 172,664.10 = 48,664.60 : x
  2. Step 2: Convert to fraction form
    115,173.40/172,664.10 = 48,664.60/x
  3. Step 3: Cross multiply
    115,173.40x = 172,664.10 × 48,664.60
  4. Step 4: Simplify right side
    115,173.40x = 8,402,629,360.86
  5. Step 5: Solve for x
    x = 8,402,629,360.86/115,173.40
  6. Step 6: Final answer
    x = 72,956.34

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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.