Home / 190,929.40-285,713.70-166,240.60

Finding the Fourth Proportional to 190,929.40, 285,713.70 and 166,240.60

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Solution

The fourth proportional to 190,929.40, 285,713.70 and 166,240.60 is: 248,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,929.40 : 285,713.70 = 166,240.60 : x
  2. Step 2: Convert to fraction form
    190,929.40/285,713.70 = 166,240.60/x
  3. Step 3: Cross multiply
    190,929.40x = 285,713.70 × 166,240.60
  4. Step 4: Simplify right side
    190,929.40x = 47,497,216,916.22
  5. Step 5: Solve for x
    x = 47,497,216,916.22/190,929.40
  6. Step 6: Final answer
    x = 248,768.48

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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.