Home / 131,326.25-196,673.59-74,995.63

Finding the Fourth Proportional to 131,326.25, 196,673.59 and 74,995.63

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Solution

The fourth proportional to 131,326.25, 196,673.59 and 74,995.63 is: 112,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326.25 : 196,673.59 = 74,995.63 : x
  2. Step 2: Convert to fraction form
    131,326.25/196,673.59 = 74,995.63/x
  3. Step 3: Cross multiply
    131,326.25x = 196,673.59 × 74,995.63
  4. Step 4: Simplify right side
    131,326.25x = 14,749,659,411.43
  5. Step 5: Solve for x
    x = 14,749,659,411.43/131,326.25
  6. Step 6: Final answer
    x = 112,313.11

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1.5x scale

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.