Home / 110,869.10-166,287.45-31,975.10

Finding the Fourth Proportional to 110,869.10, 166,287.45 and 31,975.10

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Solution

The fourth proportional to 110,869.10, 166,287.45 and 31,975.10 is: 47,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,869.10 : 166,287.45 = 31,975.10 : x
  2. Step 2: Convert to fraction form
    110,869.10/166,287.45 = 31,975.10/x
  3. Step 3: Cross multiply
    110,869.10x = 166,287.45 × 31,975.10
  4. Step 4: Simplify right side
    110,869.10x = 5,317,057,842.50
  5. Step 5: Solve for x
    x = 5,317,057,842.50/110,869.10
  6. Step 6: Final answer
    x = 47,957.98

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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.