Home / 243,749.54-365,632.40-83,823.90

Finding the Fourth Proportional to 243,749.54, 365,632.40 and 83,823.90

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Solution

The fourth proportional to 243,749.54, 365,632.40 and 83,823.90 is: 125,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,749.54 : 365,632.40 = 83,823.90 : x
  2. Step 2: Convert to fraction form
    243,749.54/365,632.40 = 83,823.90/x
  3. Step 3: Cross multiply
    243,749.54x = 365,632.40 × 83,823.90
  4. Step 4: Simplify right side
    243,749.54x = 30,648,732,572.80
  5. Step 5: Solve for x
    x = 30,648,732,572.80/243,749.54
  6. Step 6: Final answer
    x = 125,738.63

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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.