Home / 163,919.60-245,845.80-45,561.20

Finding the Fourth Proportional to 163,919.60, 245,845.80 and 45,561.20

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Solution

The fourth proportional to 163,919.60, 245,845.80 and 45,561.20 is: 68,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,919.60 : 245,845.80 = 45,561.20 : x
  2. Step 2: Convert to fraction form
    163,919.60/245,845.80 = 45,561.20/x
  3. Step 3: Cross multiply
    163,919.60x = 245,845.80 × 45,561.20
  4. Step 4: Simplify right side
    163,919.60x = 11,201,029,662.96
  5. Step 5: Solve for x
    x = 11,201,029,662.96/163,919.60
  6. Step 6: Final answer
    x = 68,332.46

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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.