Home / 230,892.03-346,389.93-81,142.65

Finding the Fourth Proportional to 230,892.03, 346,389.93 and 81,142.65

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Solution

The fourth proportional to 230,892.03, 346,389.93 and 81,142.65 is: 121,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,892.03 : 346,389.93 = 81,142.65 : x
  2. Step 2: Convert to fraction form
    230,892.03/346,389.93 = 81,142.65/x
  3. Step 3: Cross multiply
    230,892.03x = 346,389.93 × 81,142.65
  4. Step 4: Simplify right side
    230,892.03x = 28,106,996,853.51
  5. Step 5: Solve for x
    x = 28,106,996,853.51/230,892.03
  6. Step 6: Final answer
    x = 121,732.21

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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.