Home / 219,919.86-329,718.33-70,073.91

Finding the Fourth Proportional to 219,919.86, 329,718.33 and 70,073.91

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Solution

The fourth proportional to 219,919.86, 329,718.33 and 70,073.91 is: 105,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,919.86 : 329,718.33 = 70,073.91 : x
  2. Step 2: Convert to fraction form
    219,919.86/329,718.33 = 70,073.91/x
  3. Step 3: Cross multiply
    219,919.86x = 329,718.33 × 70,073.91
  4. Step 4: Simplify right side
    219,919.86x = 23,104,652,581.77
  5. Step 5: Solve for x
    x = 23,104,652,581.77/219,919.86
  6. Step 6: Final answer
    x = 105,059.42

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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.