Home / 138,047.42-190,387.41-95,095.46

Finding the Fourth Proportional to 138,047.42, 190,387.41 and 95,095.46

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Solution

The fourth proportional to 138,047.42, 190,387.41 and 95,095.46 is: 131,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,047.42 : 190,387.41 = 95,095.46 : x
  2. Step 2: Convert to fraction form
    138,047.42/190,387.41 = 95,095.46/x
  3. Step 3: Cross multiply
    138,047.42x = 190,387.41 × 95,095.46
  4. Step 4: Simplify right side
    138,047.42x = 18,104,978,332.16
  5. Step 5: Solve for x
    x = 18,104,978,332.16/138,047.42
  6. Step 6: Final answer
    x = 131,150.43

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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.