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Finding the Fourth Proportional to 225,161.40, 337,742.10 and 91,954.20

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Solution

The fourth proportional to 225,161.40, 337,742.10 and 91,954.20 is: 137,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,161.40 : 337,742.10 = 91,954.20 : x
  2. Step 2: Convert to fraction form
    225,161.40/337,742.10 = 91,954.20/x
  3. Step 3: Cross multiply
    225,161.40x = 337,742.10 × 91,954.20
  4. Step 4: Simplify right side
    225,161.40x = 31,056,804,611.82
  5. Step 5: Solve for x
    x = 31,056,804,611.82/225,161.40
  6. Step 6: Final answer
    x = 137,931.30

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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.