Home / 131,315.96-196,955.31-74,973.17

Finding the Fourth Proportional to 131,315.96, 196,955.31 and 74,973.17

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Solution

The fourth proportional to 131,315.96, 196,955.31 and 74,973.17 is: 112,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,315.96 : 196,955.31 = 74,973.17 : x
  2. Step 2: Convert to fraction form
    131,315.96/196,955.31 = 74,973.17/x
  3. Step 3: Cross multiply
    131,315.96x = 196,955.31 × 74,973.17
  4. Step 4: Simplify right side
    131,315.96x = 14,766,363,939.03
  5. Step 5: Solve for x
    x = 14,766,363,939.03/131,315.96
  6. Step 6: Final answer
    x = 112,449.12

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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.