Home / 127,076.82-175,365.45-72,628.08

Finding the Fourth Proportional to 127,076.82, 175,365.45 and 72,628.08

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Solution

The fourth proportional to 127,076.82, 175,365.45 and 72,628.08 is: 100,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,076.82 : 175,365.45 = 72,628.08 : x
  2. Step 2: Convert to fraction form
    127,076.82/175,365.45 = 72,628.08/x
  3. Step 3: Cross multiply
    127,076.82x = 175,365.45 × 72,628.08
  4. Step 4: Simplify right side
    127,076.82x = 12,736,455,931.84
  5. Step 5: Solve for x
    x = 12,736,455,931.84/127,076.82
  6. Step 6: Final answer
    x = 100,226.43

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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.