Home / 163,828.58-245,742.96-45,499.91

Finding the Fourth Proportional to 163,828.58, 245,742.96 and 45,499.91

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Solution

The fourth proportional to 163,828.58, 245,742.96 and 45,499.91 is: 68,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,828.58 : 245,742.96 = 45,499.91 : x
  2. Step 2: Convert to fraction form
    163,828.58/245,742.96 = 45,499.91/x
  3. Step 3: Cross multiply
    163,828.58x = 245,742.96 × 45,499.91
  4. Step 4: Simplify right side
    163,828.58x = 11,181,281,334.42
  5. Step 5: Solve for x
    x = 11,181,281,334.42/163,828.58
  6. Step 6: Final answer
    x = 68,249.88

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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.