Home / 129,827.25-194,740.88-31,331.25

Finding the Fourth Proportional to 129,827.25, 194,740.88 and 31,331.25

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Solution

The fourth proportional to 129,827.25, 194,740.88 and 31,331.25 is: 46,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827.25 : 194,740.88 = 31,331.25 : x
  2. Step 2: Convert to fraction form
    129,827.25/194,740.88 = 31,331.25/x
  3. Step 3: Cross multiply
    129,827.25x = 194,740.88 × 31,331.25
  4. Step 4: Simplify right side
    129,827.25x = 6,101,475,039.84
  5. Step 5: Solve for x
    x = 6,101,475,039.84/129,827.25
  6. Step 6: Final answer
    x = 46,996.88

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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.