Home / 132,858.51-183,241.06-85,116.30

Finding the Fourth Proportional to 132,858.51, 183,241.06 and 85,116.30

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Solution

The fourth proportional to 132,858.51, 183,241.06 and 85,116.30 is: 117,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858.51 : 183,241.06 = 85,116.30 : x
  2. Step 2: Convert to fraction form
    132,858.51/183,241.06 = 85,116.30/x
  3. Step 3: Cross multiply
    132,858.51x = 183,241.06 × 85,116.30
  4. Step 4: Simplify right side
    132,858.51x = 15,596,801,035.28
  5. Step 5: Solve for x
    x = 15,596,801,035.28/132,858.51
  6. Step 6: Final answer
    x = 117,394.07

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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.