Home / 140,637.31-194,072.03-76,962.80

Finding the Fourth Proportional to 140,637.31, 194,072.03 and 76,962.80

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Solution

The fourth proportional to 140,637.31, 194,072.03 and 76,962.80 is: 106,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,637.31 : 194,072.03 = 76,962.80 : x
  2. Step 2: Convert to fraction form
    140,637.31/194,072.03 = 76,962.80/x
  3. Step 3: Cross multiply
    140,637.31x = 194,072.03 × 76,962.80
  4. Step 4: Simplify right side
    140,637.31x = 14,936,326,830.48
  5. Step 5: Solve for x
    x = 14,936,326,830.48/140,637.31
  6. Step 6: Final answer
    x = 106,204.58

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1.5x scale

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.