Home / 166,470.93-249,699.78-91,739.25

Finding the Fourth Proportional to 166,470.93, 249,699.78 and 91,739.25

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Solution

The fourth proportional to 166,470.93, 249,699.78 and 91,739.25 is: 137,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,470.93 : 249,699.78 = 91,739.25 : x
  2. Step 2: Convert to fraction form
    166,470.93/249,699.78 = 91,739.25/x
  3. Step 3: Cross multiply
    166,470.93x = 249,699.78 × 91,739.25
  4. Step 4: Simplify right side
    166,470.93x = 22,907,270,542.37
  5. Step 5: Solve for x
    x = 22,907,270,542.37/166,470.93
  6. Step 6: Final answer
    x = 137,605.23

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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.