Home / 127,821.02-191,732.74-34,326.78

Finding the Fourth Proportional to 127,821.02, 191,732.74 and 34,326.78

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Solution

The fourth proportional to 127,821.02, 191,732.74 and 34,326.78 is: 51,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,821.02 : 191,732.74 = 34,326.78 : x
  2. Step 2: Convert to fraction form
    127,821.02/191,732.74 = 34,326.78/x
  3. Step 3: Cross multiply
    127,821.02x = 191,732.74 × 34,326.78
  4. Step 4: Simplify right side
    127,821.02x = 6,581,567,584.78
  5. Step 5: Solve for x
    x = 6,581,567,584.78/127,821.02
  6. Step 6: Final answer
    x = 51,490.49

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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.