Home / 243,743.63-365,623.05-66,254.41

Finding the Fourth Proportional to 243,743.63, 365,623.05 and 66,254.41

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Solution

The fourth proportional to 243,743.63, 365,623.05 and 66,254.41 is: 99,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.63 : 365,623.05 = 66,254.41 : x
  2. Step 2: Convert to fraction form
    243,743.63/365,623.05 = 66,254.41/x
  3. Step 3: Cross multiply
    243,743.63x = 365,623.05 × 66,254.41
  4. Step 4: Simplify right side
    243,743.63x = 24,224,137,632.04
  5. Step 5: Solve for x
    x = 24,224,137,632.04/243,743.63
  6. Step 6: Final answer
    x = 99,383.67

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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.