Home / 138,108.85-190,481.94-94,527.23

Finding the Fourth Proportional to 138,108.85, 190,481.94 and 94,527.23

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Solution

The fourth proportional to 138,108.85, 190,481.94 and 94,527.23 is: 130,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,108.85 : 190,481.94 = 94,527.23 : x
  2. Step 2: Convert to fraction form
    138,108.85/190,481.94 = 94,527.23/x
  3. Step 3: Cross multiply
    138,108.85x = 190,481.94 × 94,527.23
  4. Step 4: Simplify right side
    138,108.85x = 18,005,730,629.43
  5. Step 5: Solve for x
    x = 18,005,730,629.43/138,108.85
  6. Step 6: Final answer
    x = 130,373.47

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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.