Home / 243,931.48-336,609.12-135,028.44

Finding the Fourth Proportional to 243,931.48, 336,609.12 and 135,028.44

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Solution

The fourth proportional to 243,931.48, 336,609.12 and 135,028.44 is: 186,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,931.48 : 336,609.12 = 135,028.44 : x
  2. Step 2: Convert to fraction form
    243,931.48/336,609.12 = 135,028.44/x
  3. Step 3: Cross multiply
    243,931.48x = 336,609.12 × 135,028.44
  4. Step 4: Simplify right side
    243,931.48x = 45,451,804,363.37
  5. Step 5: Solve for x
    x = 45,451,804,363.37/243,931.48
  6. Step 6: Final answer
    x = 186,330.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.