Home / 145,548.06-218,322.09-40,367.03

Finding the Fourth Proportional to 145,548.06, 218,322.09 and 40,367.03

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Solution

The fourth proportional to 145,548.06, 218,322.09 and 40,367.03 is: 60,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,548.06 : 218,322.09 = 40,367.03 : x
  2. Step 2: Convert to fraction form
    145,548.06/218,322.09 = 40,367.03/x
  3. Step 3: Cross multiply
    145,548.06x = 218,322.09 × 40,367.03
  4. Step 4: Simplify right side
    145,548.06x = 8,813,013,265.08
  5. Step 5: Solve for x
    x = 8,813,013,265.08/145,548.06
  6. Step 6: Final answer
    x = 60,550.54

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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.