Home / 144,944.40-217,416.60-39,763.20

Finding the Fourth Proportional to 144,944.40, 217,416.60 and 39,763.20

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Solution

The fourth proportional to 144,944.40, 217,416.60 and 39,763.20 is: 59,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,944.40 : 217,416.60 = 39,763.20 : x
  2. Step 2: Convert to fraction form
    144,944.40/217,416.60 = 39,763.20/x
  3. Step 3: Cross multiply
    144,944.40x = 217,416.60 × 39,763.20
  4. Step 4: Simplify right side
    144,944.40x = 8,645,179,749.12
  5. Step 5: Solve for x
    x = 8,645,179,749.12/144,944.40
  6. Step 6: Final answer
    x = 59,644.80

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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.