Home / 163,801.13-245,703.04-45,481.68

Finding the Fourth Proportional to 163,801.13, 245,703.04 and 45,481.68

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Solution

The fourth proportional to 163,801.13, 245,703.04 and 45,481.68 is: 68,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,801.13 : 245,703.04 = 45,481.68 : x
  2. Step 2: Convert to fraction form
    163,801.13/245,703.04 = 45,481.68/x
  3. Step 3: Cross multiply
    163,801.13x = 245,703.04 × 45,481.68
  4. Step 4: Simplify right side
    163,801.13x = 11,174,986,926.60
  5. Step 5: Solve for x
    x = 11,174,986,926.60/163,801.13
  6. Step 6: Final answer
    x = 68,222.89

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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.