Home / 145,587.24-218,380.86-40,406.22

Finding the Fourth Proportional to 145,587.24, 218,380.86 and 40,406.22

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Solution

The fourth proportional to 145,587.24, 218,380.86 and 40,406.22 is: 60,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,587.24 : 218,380.86 = 40,406.22 : x
  2. Step 2: Convert to fraction form
    145,587.24/218,380.86 = 40,406.22/x
  3. Step 3: Cross multiply
    145,587.24x = 218,380.86 × 40,406.22
  4. Step 4: Simplify right side
    145,587.24x = 8,823,945,072.95
  5. Step 5: Solve for x
    x = 8,823,945,072.95/145,587.24
  6. Step 6: Final answer
    x = 60,609.33

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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.