Home / 144,027.60-215,749.80-99,704.40

Finding the Fourth Proportional to 144,027.60, 215,749.80 and 99,704.40

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Solution

The fourth proportional to 144,027.60, 215,749.80 and 99,704.40 is: 149,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,027.60 : 215,749.80 = 99,704.40 : x
  2. Step 2: Convert to fraction form
    144,027.60/215,749.80 = 99,704.40/x
  3. Step 3: Cross multiply
    144,027.60x = 215,749.80 × 99,704.40
  4. Step 4: Simplify right side
    144,027.60x = 21,511,204,359.12
  5. Step 5: Solve for x
    x = 21,511,204,359.12/144,027.60
  6. Step 6: Final answer
    x = 149,354.74

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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.