Home / 127,694.98-176,219.07-74,011.13

Finding the Fourth Proportional to 127,694.98, 176,219.07 and 74,011.13

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Solution

The fourth proportional to 127,694.98, 176,219.07 and 74,011.13 is: 102,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,694.98 : 176,219.07 = 74,011.13 : x
  2. Step 2: Convert to fraction form
    127,694.98/176,219.07 = 74,011.13/x
  3. Step 3: Cross multiply
    127,694.98x = 176,219.07 × 74,011.13
  4. Step 4: Simplify right side
    127,694.98x = 13,042,172,661.26
  5. Step 5: Solve for x
    x = 13,042,172,661.26/127,694.98
  6. Step 6: Final answer
    x = 102,135.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.