Home / 136,621.01-204,931.32-36,781.31

Finding the Fourth Proportional to 136,621.01, 204,931.32 and 36,781.31

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Solution

The fourth proportional to 136,621.01, 204,931.32 and 36,781.31 is: 55,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,621.01 : 204,931.32 = 36,781.31 : x
  2. Step 2: Convert to fraction form
    136,621.01/204,931.32 = 36,781.31/x
  3. Step 3: Cross multiply
    136,621.01x = 204,931.32 × 36,781.31
  4. Step 4: Simplify right side
    136,621.01x = 7,537,641,384.97
  5. Step 5: Solve for x
    x = 7,537,641,384.97/136,621.01
  6. Step 6: Final answer
    x = 55,171.91

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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.