Home / 136,455.48-188,305.56-76,025.88

Finding the Fourth Proportional to 136,455.48, 188,305.56 and 76,025.88

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Solution

The fourth proportional to 136,455.48, 188,305.56 and 76,025.88 is: 104,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,455.48 : 188,305.56 = 76,025.88 : x
  2. Step 2: Convert to fraction form
    136,455.48/188,305.56 = 76,025.88/x
  3. Step 3: Cross multiply
    136,455.48x = 188,305.56 × 76,025.88
  4. Step 4: Simplify right side
    136,455.48x = 14,316,095,907.89
  5. Step 5: Solve for x
    x = 14,316,095,907.89/136,455.48
  6. Step 6: Final answer
    x = 104,914.04

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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.