Home / 145,203.18-217,777.77-45,365.82

Finding the Fourth Proportional to 145,203.18, 217,777.77 and 45,365.82

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Solution

The fourth proportional to 145,203.18, 217,777.77 and 45,365.82 is: 68,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,203.18 : 217,777.77 = 45,365.82 : x
  2. Step 2: Convert to fraction form
    145,203.18/217,777.77 = 45,365.82/x
  3. Step 3: Cross multiply
    145,203.18x = 217,777.77 × 45,365.82
  4. Step 4: Simplify right side
    145,203.18x = 9,879,667,113.82
  5. Step 5: Solve for x
    x = 9,879,667,113.82/145,203.18
  6. Step 6: Final answer
    x = 68,040.29

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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.