Home / 145,491.82-218,291.03-61,273.18

Finding the Fourth Proportional to 145,491.82, 218,291.03 and 61,273.18

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Solution

The fourth proportional to 145,491.82, 218,291.03 and 61,273.18 is: 91,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,491.82 : 218,291.03 = 61,273.18 : x
  2. Step 2: Convert to fraction form
    145,491.82/218,291.03 = 61,273.18/x
  3. Step 3: Cross multiply
    145,491.82x = 218,291.03 × 61,273.18
  4. Step 4: Simplify right side
    145,491.82x = 13,375,385,573.58
  5. Step 5: Solve for x
    x = 13,375,385,573.58/145,491.82
  6. Step 6: Final answer
    x = 91,932.22

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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.