Home / 141,208.31-194,861.62-76,675.02

Finding the Fourth Proportional to 141,208.31, 194,861.62 and 76,675.02

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Solution

The fourth proportional to 141,208.31, 194,861.62 and 76,675.02 is: 105,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,208.31 : 194,861.62 = 76,675.02 : x
  2. Step 2: Convert to fraction form
    141,208.31/194,861.62 = 76,675.02/x
  3. Step 3: Cross multiply
    141,208.31x = 194,861.62 × 76,675.02
  4. Step 4: Simplify right side
    141,208.31x = 14,941,018,610.73
  5. Step 5: Solve for x
    x = 14,941,018,610.73/141,208.31
  6. Step 6: Final answer
    x = 105,808.35

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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.