Home / 163,821.60-245,732.40-45,494.10

Finding the Fourth Proportional to 163,821.60, 245,732.40 and 45,494.10

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Solution

The fourth proportional to 163,821.60, 245,732.40 and 45,494.10 is: 68,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,821.60 : 245,732.40 = 45,494.10 : x
  2. Step 2: Convert to fraction form
    163,821.60/245,732.40 = 45,494.10/x
  3. Step 3: Cross multiply
    163,821.60x = 245,732.40 × 45,494.10
  4. Step 4: Simplify right side
    163,821.60x = 11,179,374,378.84
  5. Step 5: Solve for x
    x = 11,179,374,378.84/163,821.60
  6. Step 6: Final answer
    x = 68,241.15

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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.