Home / 136,621.51-204,932.07-36,781.81

Finding the Fourth Proportional to 136,621.51, 204,932.07 and 36,781.81

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Solution

The fourth proportional to 136,621.51, 204,932.07 and 36,781.81 is: 55,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,621.51 : 204,932.07 = 36,781.81 : x
  2. Step 2: Convert to fraction form
    136,621.51/204,932.07 = 36,781.81/x
  3. Step 3: Cross multiply
    136,621.51x = 204,932.07 × 36,781.81
  4. Step 4: Simplify right side
    136,621.51x = 7,537,772,461.65
  5. Step 5: Solve for x
    x = 7,537,772,461.65/136,621.51
  6. Step 6: Final answer
    x = 55,172.66

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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.