Home / 219,410.32-329,047.44-79,150.72

Finding the Fourth Proportional to 219,410.32, 329,047.44 and 79,150.72

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Solution

The fourth proportional to 219,410.32, 329,047.44 and 79,150.72 is: 118,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,410.32 : 329,047.44 = 79,150.72 : x
  2. Step 2: Convert to fraction form
    219,410.32/329,047.44 = 79,150.72/x
  3. Step 3: Cross multiply
    219,410.32x = 329,047.44 × 79,150.72
  4. Step 4: Simplify right side
    219,410.32x = 26,044,341,790.16
  5. Step 5: Solve for x
    x = 26,044,341,790.16/219,410.32
  6. Step 6: Final answer
    x = 118,701.54

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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.