Home / 136,297.44-188,088.24-76,681.44

Finding the Fourth Proportional to 136,297.44, 188,088.24 and 76,681.44

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Solution

The fourth proportional to 136,297.44, 188,088.24 and 76,681.44 is: 105,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,297.44 : 188,088.24 = 76,681.44 : x
  2. Step 2: Convert to fraction form
    136,297.44/188,088.24 = 76,681.44/x
  3. Step 3: Cross multiply
    136,297.44x = 188,088.24 × 76,681.44
  4. Step 4: Simplify right side
    136,297.44x = 14,422,877,090.27
  5. Step 5: Solve for x
    x = 14,422,877,090.27/136,297.44
  6. Step 6: Final answer
    x = 105,819.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.