Home / 219,103.65-328,783.95-92,736.05

Finding the Fourth Proportional to 219,103.65, 328,783.95 and 92,736.05

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Solution

The fourth proportional to 219,103.65, 328,783.95 and 92,736.05 is: 139,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,103.65 : 328,783.95 = 92,736.05 : x
  2. Step 2: Convert to fraction form
    219,103.65/328,783.95 = 92,736.05/x
  3. Step 3: Cross multiply
    219,103.65x = 328,783.95 × 92,736.05
  4. Step 4: Simplify right side
    219,103.65x = 30,490,123,182.48
  5. Step 5: Solve for x
    x = 30,490,123,182.48/219,103.65
  6. Step 6: Final answer
    x = 139,158.44

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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.