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Finding the Fourth Proportional to 127,159.94, 190,700.22 and 44,034.50

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Solution

The fourth proportional to 127,159.94, 190,700.22 and 44,034.50 is: 66,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,159.94 : 190,700.22 = 44,034.50 : x
  2. Step 2: Convert to fraction form
    127,159.94/190,700.22 = 44,034.50/x
  3. Step 3: Cross multiply
    127,159.94x = 190,700.22 × 44,034.50
  4. Step 4: Simplify right side
    127,159.94x = 8,397,388,837.59
  5. Step 5: Solve for x
    x = 8,397,388,837.59/127,159.94
  6. Step 6: Final answer
    x = 66,038.01

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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.