Home / 166,605.09-229,675.89-118,775.40

Finding the Fourth Proportional to 166,605.09, 229,675.89 and 118,775.40

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Solution

The fourth proportional to 166,605.09, 229,675.89 and 118,775.40 is: 163,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,605.09 : 229,675.89 = 118,775.40 : x
  2. Step 2: Convert to fraction form
    166,605.09/229,675.89 = 118,775.40/x
  3. Step 3: Cross multiply
    166,605.09x = 229,675.89 × 118,775.40
  4. Step 4: Simplify right side
    166,605.09x = 27,279,846,581.16
  5. Step 5: Solve for x
    x = 27,279,846,581.16/166,605.09
  6. Step 6: Final answer
    x = 163,739.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.