Home / 89,263.96-133,576.02-77,297.31

Finding the Fourth Proportional to 89,263.96, 133,576.02 and 77,297.31

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Solution

The fourth proportional to 89,263.96, 133,576.02 and 77,297.31 is: 115,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,263.96 : 133,576.02 = 77,297.31 : x
  2. Step 2: Convert to fraction form
    89,263.96/133,576.02 = 77,297.31/x
  3. Step 3: Cross multiply
    89,263.96x = 133,576.02 × 77,297.31
  4. Step 4: Simplify right side
    89,263.96x = 10,325,067,026.51
  5. Step 5: Solve for x
    x = 10,325,067,026.51/89,263.96
  6. Step 6: Final answer
    x = 115,668.93

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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.