Home / 149,628.60-224,114.85-129,945.60

Finding the Fourth Proportional to 149,628.60, 224,114.85 and 129,945.60

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Solution

The fourth proportional to 149,628.60, 224,114.85 and 129,945.60 is: 194,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,628.60 : 224,114.85 = 129,945.60 : x
  2. Step 2: Convert to fraction form
    149,628.60/224,114.85 = 129,945.60/x
  3. Step 3: Cross multiply
    149,628.60x = 224,114.85 × 129,945.60
  4. Step 4: Simplify right side
    149,628.60x = 29,122,738,652.16
  5. Step 5: Solve for x
    x = 29,122,738,652.16/149,628.60
  6. Step 6: Final answer
    x = 194,633.50

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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.