Home / 127,102.88-175,410.28-73,390.16

Finding the Fourth Proportional to 127,102.88, 175,410.28 and 73,390.16

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Solution

The fourth proportional to 127,102.88, 175,410.28 and 73,390.16 is: 101,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,102.88 : 175,410.28 = 73,390.16 : x
  2. Step 2: Convert to fraction form
    127,102.88/175,410.28 = 73,390.16/x
  3. Step 3: Cross multiply
    127,102.88x = 175,410.28 × 73,390.16
  4. Step 4: Simplify right side
    127,102.88x = 12,873,388,514.84
  5. Step 5: Solve for x
    x = 12,873,388,514.84/127,102.88
  6. Step 6: Final answer
    x = 101,283.22

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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.