Home / 163,828.20-245,742.39-45,499.53

Finding the Fourth Proportional to 163,828.20, 245,742.39 and 45,499.53

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Solution

The fourth proportional to 163,828.20, 245,742.39 and 45,499.53 is: 68,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,828.20 : 245,742.39 = 45,499.53 : x
  2. Step 2: Convert to fraction form
    163,828.20/245,742.39 = 45,499.53/x
  3. Step 3: Cross multiply
    163,828.20x = 245,742.39 × 45,499.53
  4. Step 4: Simplify right side
    163,828.20x = 11,181,163,246.08
  5. Step 5: Solve for x
    x = 11,181,163,246.08/163,828.20
  6. Step 6: Final answer
    x = 68,249.32

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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.