Home / 136,112.01-187,837.83-75,685.20

Finding the Fourth Proportional to 136,112.01, 187,837.83 and 75,685.20

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Solution

The fourth proportional to 136,112.01, 187,837.83 and 75,685.20 is: 104,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,112.01 : 187,837.83 = 75,685.20 : x
  2. Step 2: Convert to fraction form
    136,112.01/187,837.83 = 75,685.20/x
  3. Step 3: Cross multiply
    136,112.01x = 187,837.83 × 75,685.20
  4. Step 4: Simplify right side
    136,112.01x = 14,216,543,731.12
  5. Step 5: Solve for x
    x = 14,216,543,731.12/136,112.01
  6. Step 6: Final answer
    x = 104,447.39

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1.5x scale

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.