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Finding the Fourth Proportional to 187,373.40, 281,189.70 and 134,820.60

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Solution

The fourth proportional to 187,373.40, 281,189.70 and 134,820.60 is: 202,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,373.40 : 281,189.70 = 134,820.60 : x
  2. Step 2: Convert to fraction form
    187,373.40/281,189.70 = 134,820.60/x
  3. Step 3: Cross multiply
    187,373.40x = 281,189.70 × 134,820.60
  4. Step 4: Simplify right side
    187,373.40x = 37,910,164,067.82
  5. Step 5: Solve for x
    x = 37,910,164,067.82/187,373.40
  6. Step 6: Final answer
    x = 202,324.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.