Home / 136,397.30-188,227.74-75,968.66

Finding the Fourth Proportional to 136,397.30, 188,227.74 and 75,968.66

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Solution

The fourth proportional to 136,397.30, 188,227.74 and 75,968.66 is: 104,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,397.30 : 188,227.74 = 75,968.66 : x
  2. Step 2: Convert to fraction form
    136,397.30/188,227.74 = 75,968.66/x
  3. Step 3: Cross multiply
    136,397.30x = 188,227.74 × 75,968.66
  4. Step 4: Simplify right side
    136,397.30x = 14,299,409,182.63
  5. Step 5: Solve for x
    x = 14,299,409,182.63/136,397.30
  6. Step 6: Final answer
    x = 104,836.45

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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.