Home / 138,986.56-208,477.80-44,222.52

Finding the Fourth Proportional to 138,986.56, 208,477.80 and 44,222.52

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Solution

The fourth proportional to 138,986.56, 208,477.80 and 44,222.52 is: 66,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,986.56 : 208,477.80 = 44,222.52 : x
  2. Step 2: Convert to fraction form
    138,986.56/208,477.80 = 44,222.52/x
  3. Step 3: Cross multiply
    138,986.56x = 208,477.80 × 44,222.52
  4. Step 4: Simplify right side
    138,986.56x = 9,219,413,680.06
  5. Step 5: Solve for x
    x = 9,219,413,680.06/138,986.56
  6. Step 6: Final answer
    x = 66,333.13

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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.