Home / 138,776.16-208,228.77-44,021.28

Finding the Fourth Proportional to 138,776.16, 208,228.77 and 44,021.28

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Solution

The fourth proportional to 138,776.16, 208,228.77 and 44,021.28 is: 66,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,776.16 : 208,228.77 = 44,021.28 : x
  2. Step 2: Convert to fraction form
    138,776.16/208,228.77 = 44,021.28/x
  3. Step 3: Cross multiply
    138,776.16x = 208,228.77 × 44,021.28
  4. Step 4: Simplify right side
    138,776.16x = 9,166,496,988.23
  5. Step 5: Solve for x
    x = 9,166,496,988.23/138,776.16
  6. Step 6: Final answer
    x = 66,052.39

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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.