Home / 145,500.36-218,253.96-40,320.24

Finding the Fourth Proportional to 145,500.36, 218,253.96 and 40,320.24

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Solution

The fourth proportional to 145,500.36, 218,253.96 and 40,320.24 is: 60,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,500.36 : 218,253.96 = 40,320.24 : x
  2. Step 2: Convert to fraction form
    145,500.36/218,253.96 = 40,320.24/x
  3. Step 3: Cross multiply
    145,500.36x = 218,253.96 × 40,320.24
  4. Step 4: Simplify right side
    145,500.36x = 8,800,052,048.15
  5. Step 5: Solve for x
    x = 8,800,052,048.15/145,500.36
  6. Step 6: Final answer
    x = 60,481.31

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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.