Home / 219,359.24-329,038.95-79,117.86

Finding the Fourth Proportional to 219,359.24, 329,038.95 and 79,117.86

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Solution

The fourth proportional to 219,359.24, 329,038.95 and 79,117.86 is: 118,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,359.24 : 329,038.95 = 79,117.86 : x
  2. Step 2: Convert to fraction form
    219,359.24/329,038.95 = 79,117.86/x
  3. Step 3: Cross multiply
    219,359.24x = 329,038.95 × 79,117.86
  4. Step 4: Simplify right side
    219,359.24x = 26,032,857,580.65
  5. Step 5: Solve for x
    x = 26,032,857,580.65/219,359.24
  6. Step 6: Final answer
    x = 118,676.83

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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.