Home / 127,375.48-190,800.54-74,624.92

Finding the Fourth Proportional to 127,375.48, 190,800.54 and 74,624.92

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Solution

The fourth proportional to 127,375.48, 190,800.54 and 74,624.92 is: 111,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,375.48 : 190,800.54 = 74,624.92 : x
  2. Step 2: Convert to fraction form
    127,375.48/190,800.54 = 74,624.92/x
  3. Step 3: Cross multiply
    127,375.48x = 190,800.54 × 74,624.92
  4. Step 4: Simplify right side
    127,375.48x = 14,238,475,033.46
  5. Step 5: Solve for x
    x = 14,238,475,033.46/127,375.48
  6. Step 6: Final answer
    x = 111,783.48

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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.