Home / 97,799.40-146,742.30-45,181.80

Finding the Fourth Proportional to 97,799.40, 146,742.30 and 45,181.80

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Solution

The fourth proportional to 97,799.40, 146,742.30 and 45,181.80 is: 67,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,799.40 : 146,742.30 = 45,181.80 : x
  2. Step 2: Convert to fraction form
    97,799.40/146,742.30 = 45,181.80/x
  3. Step 3: Cross multiply
    97,799.40x = 146,742.30 × 45,181.80
  4. Step 4: Simplify right side
    97,799.40x = 6,630,081,250.14
  5. Step 5: Solve for x
    x = 6,630,081,250.14/97,799.40
  6. Step 6: Final answer
    x = 67,792.66

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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.