Home / 149,621.20-224,124.60-121,973.20

Finding the Fourth Proportional to 149,621.20, 224,124.60 and 121,973.20

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Solution

The fourth proportional to 149,621.20, 224,124.60 and 121,973.20 is: 182,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,621.20 : 224,124.60 = 121,973.20 : x
  2. Step 2: Convert to fraction form
    149,621.20/224,124.60 = 121,973.20/x
  3. Step 3: Cross multiply
    149,621.20x = 224,124.60 × 121,973.20
  4. Step 4: Simplify right side
    149,621.20x = 27,337,194,660.72
  5. Step 5: Solve for x
    x = 27,337,194,660.72/149,621.20
  6. Step 6: Final answer
    x = 182,709.37

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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.