Home / 144,965.28-217,093.56-85,624.80

Finding the Fourth Proportional to 144,965.28, 217,093.56 and 85,624.80

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Solution

The fourth proportional to 144,965.28, 217,093.56 and 85,624.80 is: 128,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965.28 : 217,093.56 = 85,624.80 : x
  2. Step 2: Convert to fraction form
    144,965.28/217,093.56 = 85,624.80/x
  3. Step 3: Cross multiply
    144,965.28x = 217,093.56 × 85,624.80
  4. Step 4: Simplify right side
    144,965.28x = 18,588,592,656.29
  5. Step 5: Solve for x
    x = 18,588,592,656.29/144,965.28
  6. Step 6: Final answer
    x = 128,227.89

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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.