Home / 212,881.36-293,778.60-117,391.48

Finding the Fourth Proportional to 212,881.36, 293,778.60 and 117,391.48

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Solution

The fourth proportional to 212,881.36, 293,778.60 and 117,391.48 is: 162,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,881.36 : 293,778.60 = 117,391.48 : x
  2. Step 2: Convert to fraction form
    212,881.36/293,778.60 = 117,391.48/x
  3. Step 3: Cross multiply
    212,881.36x = 293,778.60 × 117,391.48
  4. Step 4: Simplify right side
    212,881.36x = 34,487,104,646.33
  5. Step 5: Solve for x
    x = 34,487,104,646.33/212,881.36
  6. Step 6: Final answer
    x = 162,001.52

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1.5x scale

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.