Home / 105,677.64-158,537.18-39,118.28

Finding the Fourth Proportional to 105,677.64, 158,537.18 and 39,118.28

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Solution

The fourth proportional to 105,677.64, 158,537.18 and 39,118.28 is: 58,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,677.64 : 158,537.18 = 39,118.28 : x
  2. Step 2: Convert to fraction form
    105,677.64/158,537.18 = 39,118.28/x
  3. Step 3: Cross multiply
    105,677.64x = 158,537.18 × 39,118.28
  4. Step 4: Simplify right side
    105,677.64x = 6,201,701,797.65
  5. Step 5: Solve for x
    x = 6,201,701,797.65/105,677.64
  6. Step 6: Final answer
    x = 58,685.09

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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.