Home / 138,305.36-207,405.84-44,786

Finding the Fourth Proportional to 138,305.36, 207,405.84 and 44,786

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Solution

The fourth proportional to 138,305.36, 207,405.84 and 44,786 is: 67,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,305.36 : 207,405.84 = 44,786 : x
  2. Step 2: Convert to fraction form
    138,305.36/207,405.84 = 44,786/x
  3. Step 3: Cross multiply
    138,305.36x = 207,405.84 × 44,786
  4. Step 4: Simplify right side
    138,305.36x = 9,288,877,950.24
  5. Step 5: Solve for x
    x = 9,288,877,950.24/138,305.36
  6. Step 6: Final answer
    x = 67,162.10

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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.