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Finding the Fourth Proportional to 195,401.40, 293,102.10 and 125,417.40

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Solution

The fourth proportional to 195,401.40, 293,102.10 and 125,417.40 is: 188,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,401.40 : 293,102.10 = 125,417.40 : x
  2. Step 2: Convert to fraction form
    195,401.40/293,102.10 = 125,417.40/x
  3. Step 3: Cross multiply
    195,401.40x = 293,102.10 × 125,417.40
  4. Step 4: Simplify right side
    195,401.40x = 36,760,103,316.54
  5. Step 5: Solve for x
    x = 36,760,103,316.54/195,401.40
  6. Step 6: Final answer
    x = 188,126.10

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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.