Home / 145,749.48-218,638.74-40,568.46

Finding the Fourth Proportional to 145,749.48, 218,638.74 and 40,568.46

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Solution

The fourth proportional to 145,749.48, 218,638.74 and 40,568.46 is: 60,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,749.48 : 218,638.74 = 40,568.46 : x
  2. Step 2: Convert to fraction form
    145,749.48/218,638.74 = 40,568.46/x
  3. Step 3: Cross multiply
    145,749.48x = 218,638.74 × 40,568.46
  4. Step 4: Simplify right side
    145,749.48x = 8,869,836,978.14
  5. Step 5: Solve for x
    x = 8,869,836,978.14/145,749.48
  6. Step 6: Final answer
    x = 60,856.73

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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.