Home / 102,090.12-152,979.24-42,893.42

Finding the Fourth Proportional to 102,090.12, 152,979.24 and 42,893.42

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Solution

The fourth proportional to 102,090.12, 152,979.24 and 42,893.42 is: 64,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,090.12 : 152,979.24 = 42,893.42 : x
  2. Step 2: Convert to fraction form
    102,090.12/152,979.24 = 42,893.42/x
  3. Step 3: Cross multiply
    102,090.12x = 152,979.24 × 42,893.42
  4. Step 4: Simplify right side
    102,090.12x = 6,561,802,792.60
  5. Step 5: Solve for x
    x = 6,561,802,792.60/102,090.12
  6. Step 6: Final answer
    x = 64,274.61

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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.