Home / 192,929.89-289,414.88-52,688.50

Finding the Fourth Proportional to 192,929.89, 289,414.88 and 52,688.50

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Solution

The fourth proportional to 192,929.89, 289,414.88 and 52,688.50 is: 79,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,929.89 : 289,414.88 = 52,688.50 : x
  2. Step 2: Convert to fraction form
    192,929.89/289,414.88 = 52,688.50/x
  3. Step 3: Cross multiply
    192,929.89x = 289,414.88 × 52,688.50
  4. Step 4: Simplify right side
    192,929.89x = 15,248,835,641.44
  5. Step 5: Solve for x
    x = 15,248,835,641.44/192,929.89
  6. Step 6: Final answer
    x = 79,038.22

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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.