Home / 131,576.42-181,564.44-77,852.07

Finding the Fourth Proportional to 131,576.42, 181,564.44 and 77,852.07

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Solution

The fourth proportional to 131,576.42, 181,564.44 and 77,852.07 is: 107,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.42 : 181,564.44 = 77,852.07 : x
  2. Step 2: Convert to fraction form
    131,576.42/181,564.44 = 77,852.07/x
  3. Step 3: Cross multiply
    131,576.42x = 181,564.44 × 77,852.07
  4. Step 4: Simplify right side
    131,576.42x = 14,135,167,492.39
  5. Step 5: Solve for x
    x = 14,135,167,492.39/131,576.42
  6. Step 6: Final answer
    x = 107,429.34

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