Home / 145,485.09-218,173.18-50,690.94

Finding the Fourth Proportional to 145,485.09, 218,173.18 and 50,690.94

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Solution

The fourth proportional to 145,485.09, 218,173.18 and 50,690.94 is: 76,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,485.09 : 218,173.18 = 50,690.94 : x
  2. Step 2: Convert to fraction form
    145,485.09/218,173.18 = 50,690.94/x
  3. Step 3: Cross multiply
    145,485.09x = 218,173.18 × 50,690.94
  4. Step 4: Simplify right side
    145,485.09x = 11,059,403,576.99
  5. Step 5: Solve for x
    x = 11,059,403,576.99/145,485.09
  6. Step 6: Final answer
    x = 76,017.44

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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.