Home / 243,621.12-365,427.60-72,843.22

Finding the Fourth Proportional to 243,621.12, 365,427.60 and 72,843.22

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Solution

The fourth proportional to 243,621.12, 365,427.60 and 72,843.22 is: 109,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,621.12 : 365,427.60 = 72,843.22 : x
  2. Step 2: Convert to fraction form
    243,621.12/365,427.60 = 72,843.22/x
  3. Step 3: Cross multiply
    243,621.12x = 365,427.60 × 72,843.22
  4. Step 4: Simplify right side
    243,621.12x = 26,618,923,060.87
  5. Step 5: Solve for x
    x = 26,618,923,060.87/243,621.12
  6. Step 6: Final answer
    x = 109,263.61

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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.