Home / 127,221.38-175,558.65-70,629.11

Finding the Fourth Proportional to 127,221.38, 175,558.65 and 70,629.11

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Solution

The fourth proportional to 127,221.38, 175,558.65 and 70,629.11 is: 97,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,221.38 : 175,558.65 = 70,629.11 : x
  2. Step 2: Convert to fraction form
    127,221.38/175,558.65 = 70,629.11/x
  3. Step 3: Cross multiply
    127,221.38x = 175,558.65 × 70,629.11
  4. Step 4: Simplify right side
    127,221.38x = 12,399,551,202.30
  5. Step 5: Solve for x
    x = 12,399,551,202.30/127,221.38
  6. Step 6: Final answer
    x = 97,464.37

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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.