Home / 236,478.72-326,396.48-135,935.04

Finding the Fourth Proportional to 236,478.72, 326,396.48 and 135,935.04

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Solution

The fourth proportional to 236,478.72, 326,396.48 and 135,935.04 is: 187,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,478.72 : 326,396.48 = 135,935.04 : x
  2. Step 2: Convert to fraction form
    236,478.72/326,396.48 = 135,935.04/x
  3. Step 3: Cross multiply
    236,478.72x = 326,396.48 × 135,935.04
  4. Step 4: Simplify right side
    236,478.72x = 44,368,718,564.66
  5. Step 5: Solve for x
    x = 44,368,718,564.66/236,478.72
  6. Step 6: Final answer
    x = 187,622.46

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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.