Home / 127,313.21-175,693.46-69,951.60

Finding the Fourth Proportional to 127,313.21, 175,693.46 and 69,951.60

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Solution

The fourth proportional to 127,313.21, 175,693.46 and 69,951.60 is: 96,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,313.21 : 175,693.46 = 69,951.60 : x
  2. Step 2: Convert to fraction form
    127,313.21/175,693.46 = 69,951.60/x
  3. Step 3: Cross multiply
    127,313.21x = 175,693.46 × 69,951.60
  4. Step 4: Simplify right side
    127,313.21x = 12,290,038,286.78
  5. Step 5: Solve for x
    x = 12,290,038,286.78/127,313.21
  6. Step 6: Final answer
    x = 96,533.88

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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.