Home / 136,272.84-188,055.18-75,842.46

Finding the Fourth Proportional to 136,272.84, 188,055.18 and 75,842.46

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Solution

The fourth proportional to 136,272.84, 188,055.18 and 75,842.46 is: 104,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,272.84 : 188,055.18 = 75,842.46 : x
  2. Step 2: Convert to fraction form
    136,272.84/188,055.18 = 75,842.46/x
  3. Step 3: Cross multiply
    136,272.84x = 188,055.18 × 75,842.46
  4. Step 4: Simplify right side
    136,272.84x = 14,262,567,466.94
  5. Step 5: Solve for x
    x = 14,262,567,466.94/136,272.84
  6. Step 6: Final answer
    x = 104,661.85

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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.