Home / 149,378.88-224,090.16-54,613.68

Finding the Fourth Proportional to 149,378.88, 224,090.16 and 54,613.68

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Solution

The fourth proportional to 149,378.88, 224,090.16 and 54,613.68 is: 81,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,378.88 : 224,090.16 = 54,613.68 : x
  2. Step 2: Convert to fraction form
    149,378.88/224,090.16 = 54,613.68/x
  3. Step 3: Cross multiply
    149,378.88x = 224,090.16 × 54,613.68
  4. Step 4: Simplify right side
    149,378.88x = 12,238,388,289.39
  5. Step 5: Solve for x
    x = 12,238,388,289.39/149,378.88
  6. Step 6: Final answer
    x = 81,928.50

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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.