Home / 252,902.35-349,001.16-138,178.54

Finding the Fourth Proportional to 252,902.35, 349,001.16 and 138,178.54

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Solution

The fourth proportional to 252,902.35, 349,001.16 and 138,178.54 is: 190,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,902.35 : 349,001.16 = 138,178.54 : x
  2. Step 2: Convert to fraction form
    252,902.35/349,001.16 = 138,178.54/x
  3. Step 3: Cross multiply
    252,902.35x = 349,001.16 × 138,178.54
  4. Step 4: Simplify right side
    252,902.35x = 48,224,470,665.19
  5. Step 5: Solve for x
    x = 48,224,470,665.19/252,902.35
  6. Step 6: Final answer
    x = 190,684.15

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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.