Home / 180,005.32-270,036.78-91,222.84

Finding the Fourth Proportional to 180,005.32, 270,036.78 and 91,222.84

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Solution

The fourth proportional to 180,005.32, 270,036.78 and 91,222.84 is: 136,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,005.32 : 270,036.78 = 91,222.84 : x
  2. Step 2: Convert to fraction form
    180,005.32/270,036.78 = 91,222.84/x
  3. Step 3: Cross multiply
    180,005.32x = 270,036.78 × 91,222.84
  4. Step 4: Simplify right side
    180,005.32x = 24,633,521,976.06
  5. Step 5: Solve for x
    x = 24,633,521,976.06/180,005.32
  6. Step 6: Final answer
    x = 136,848.86

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1.5x scale

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.