Home / 144,051.95-216,061.75-55,243.15

Finding the Fourth Proportional to 144,051.95, 216,061.75 and 55,243.15

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Solution

The fourth proportional to 144,051.95, 216,061.75 and 55,243.15 is: 82,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.95 : 216,061.75 = 55,243.15 : x
  2. Step 2: Convert to fraction form
    144,051.95/216,061.75 = 55,243.15/x
  3. Step 3: Cross multiply
    144,051.95x = 216,061.75 × 55,243.15
  4. Step 4: Simplify right side
    144,051.95x = 11,935,930,986.25
  5. Step 5: Solve for x
    x = 11,935,930,986.25/144,051.95
  6. Step 6: Final answer
    x = 82,858.52

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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.