Home / 243,845.37-365,731.09-66,366.21

Finding the Fourth Proportional to 243,845.37, 365,731.09 and 66,366.21

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Solution

The fourth proportional to 243,845.37, 365,731.09 and 66,366.21 is: 99,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,845.37 : 365,731.09 = 66,366.21 : x
  2. Step 2: Convert to fraction form
    243,845.37/365,731.09 = 66,366.21/x
  3. Step 3: Cross multiply
    243,845.37x = 365,731.09 × 66,366.21
  4. Step 4: Simplify right side
    243,845.37x = 24,272,184,493.81
  5. Step 5: Solve for x
    x = 24,272,184,493.81/243,845.37
  6. Step 6: Final answer
    x = 99,539.25

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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.