Home / 97,848.20-146,772.30-81,241.40

Finding the Fourth Proportional to 97,848.20, 146,772.30 and 81,241.40

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Solution

The fourth proportional to 97,848.20, 146,772.30 and 81,241.40 is: 121,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,848.20 : 146,772.30 = 81,241.40 : x
  2. Step 2: Convert to fraction form
    97,848.20/146,772.30 = 81,241.40/x
  3. Step 3: Cross multiply
    97,848.20x = 146,772.30 × 81,241.40
  4. Step 4: Simplify right side
    97,848.20x = 11,923,987,133.22
  5. Step 5: Solve for x
    x = 11,923,987,133.22/97,848.20
  6. Step 6: Final answer
    x = 121,862.10

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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.