Home / 136,273.48-188,005.02-100,548.64

Finding the Fourth Proportional to 136,273.48, 188,005.02 and 100,548.64

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Solution

The fourth proportional to 136,273.48, 188,005.02 and 100,548.64 is: 138,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,273.48 : 188,005.02 = 100,548.64 : x
  2. Step 2: Convert to fraction form
    136,273.48/188,005.02 = 100,548.64/x
  3. Step 3: Cross multiply
    136,273.48x = 188,005.02 × 100,548.64
  4. Step 4: Simplify right side
    136,273.48x = 18,903,649,074.17
  5. Step 5: Solve for x
    x = 18,903,649,074.17/136,273.48
  6. Step 6: Final answer
    x = 138,718.47

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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.