Home / 144,905.79-217,334.07-38,290.92

Finding the Fourth Proportional to 144,905.79, 217,334.07 and 38,290.92

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Solution

The fourth proportional to 144,905.79, 217,334.07 and 38,290.92 is: 57,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,905.79 : 217,334.07 = 38,290.92 : x
  2. Step 2: Convert to fraction form
    144,905.79/217,334.07 = 38,290.92/x
  3. Step 3: Cross multiply
    144,905.79x = 217,334.07 × 38,290.92
  4. Step 4: Simplify right side
    144,905.79x = 8,321,921,487.64
  5. Step 5: Solve for x
    x = 8,321,921,487.64/144,905.79
  6. Step 6: Final answer
    x = 57,429.88

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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.