Home / 127,796.16-176,354.64-80,075.28

Finding the Fourth Proportional to 127,796.16, 176,354.64 and 80,075.28

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Solution

The fourth proportional to 127,796.16, 176,354.64 and 80,075.28 is: 110,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,796.16 : 176,354.64 = 80,075.28 : x
  2. Step 2: Convert to fraction form
    127,796.16/176,354.64 = 80,075.28/x
  3. Step 3: Cross multiply
    127,796.16x = 176,354.64 × 80,075.28
  4. Step 4: Simplify right side
    127,796.16x = 14,121,647,177.30
  5. Step 5: Solve for x
    x = 14,121,647,177.30/127,796.16
  6. Step 6: Final answer
    x = 110,501.34

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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.