Home / 136,490.04-188,304.48-82,756.26

Finding the Fourth Proportional to 136,490.04, 188,304.48 and 82,756.26

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Solution

The fourth proportional to 136,490.04, 188,304.48 and 82,756.26 is: 114,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,490.04 : 188,304.48 = 82,756.26 : x
  2. Step 2: Convert to fraction form
    136,490.04/188,304.48 = 82,756.26/x
  3. Step 3: Cross multiply
    136,490.04x = 188,304.48 × 82,756.26
  4. Step 4: Simplify right side
    136,490.04x = 15,583,374,506.04
  5. Step 5: Solve for x
    x = 15,583,374,506.04/136,490.04
  6. Step 6: Final answer
    x = 114,172.25

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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.