Home / 134,727.10-202,090.65-55,815.10

Finding the Fourth Proportional to 134,727.10, 202,090.65 and 55,815.10

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Solution

The fourth proportional to 134,727.10, 202,090.65 and 55,815.10 is: 83,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,727.10 : 202,090.65 = 55,815.10 : x
  2. Step 2: Convert to fraction form
    134,727.10/202,090.65 = 55,815.10/x
  3. Step 3: Cross multiply
    134,727.10x = 202,090.65 × 55,815.10
  4. Step 4: Simplify right side
    134,727.10x = 11,279,709,838.82
  5. Step 5: Solve for x
    x = 11,279,709,838.82/134,727.10
  6. Step 6: Final answer
    x = 83,722.65

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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.