Home / 145,749.50-218,624.25-40,571.21

Finding the Fourth Proportional to 145,749.50, 218,624.25 and 40,571.21

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Solution

The fourth proportional to 145,749.50, 218,624.25 and 40,571.21 is: 60,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,749.50 : 218,624.25 = 40,571.21 : x
  2. Step 2: Convert to fraction form
    145,749.50/218,624.25 = 40,571.21/x
  3. Step 3: Cross multiply
    145,749.50x = 218,624.25 × 40,571.21
  4. Step 4: Simplify right side
    145,749.50x = 8,869,850,357.84
  5. Step 5: Solve for x
    x = 8,869,850,357.84/145,749.50
  6. Step 6: Final answer
    x = 60,856.82

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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.