Home / 144,811.60-217,217.40-89,515.60

Finding the Fourth Proportional to 144,811.60, 217,217.40 and 89,515.60

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Solution

The fourth proportional to 144,811.60, 217,217.40 and 89,515.60 is: 134,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,811.60 : 217,217.40 = 89,515.60 : x
  2. Step 2: Convert to fraction form
    144,811.60/217,217.40 = 89,515.60/x
  3. Step 3: Cross multiply
    144,811.60x = 217,217.40 × 89,515.60
  4. Step 4: Simplify right side
    144,811.60x = 19,444,345,891.44
  5. Step 5: Solve for x
    x = 19,444,345,891.44/144,811.60
  6. Step 6: Final answer
    x = 134,273.40

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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.