Home / 145,530.41-218,331.95-50,761.97

Finding the Fourth Proportional to 145,530.41, 218,331.95 and 50,761.97

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Solution

The fourth proportional to 145,530.41, 218,331.95 and 50,761.97 is: 76,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,530.41 : 218,331.95 = 50,761.97 : x
  2. Step 2: Convert to fraction form
    145,530.41/218,331.95 = 50,761.97/x
  3. Step 3: Cross multiply
    145,530.41x = 218,331.95 × 50,761.97
  4. Step 4: Simplify right side
    145,530.41x = 11,082,959,895.94
  5. Step 5: Solve for x
    x = 11,082,959,895.94/145,530.41
  6. Step 6: Final answer
    x = 76,155.63

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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.