Home / 135,118.25-186,506.93-84,817.25

Finding the Fourth Proportional to 135,118.25, 186,506.93 and 84,817.25

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Solution

The fourth proportional to 135,118.25, 186,506.93 and 84,817.25 is: 117,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,118.25 : 186,506.93 = 84,817.25 : x
  2. Step 2: Convert to fraction form
    135,118.25/186,506.93 = 84,817.25/x
  3. Step 3: Cross multiply
    135,118.25x = 186,506.93 × 84,817.25
  4. Step 4: Simplify right side
    135,118.25x = 15,819,004,484.46
  5. Step 5: Solve for x
    x = 15,819,004,484.46/135,118.25
  6. Step 6: Final answer
    x = 117,075.26

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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.