Home / 192,830.34-289,134.77-102,762.17

Finding the Fourth Proportional to 192,830.34, 289,134.77 and 102,762.17

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Solution

The fourth proportional to 192,830.34, 289,134.77 and 102,762.17 is: 154,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830.34 : 289,134.77 = 102,762.17 : x
  2. Step 2: Convert to fraction form
    192,830.34/289,134.77 = 102,762.17/x
  3. Step 3: Cross multiply
    192,830.34x = 289,134.77 × 102,762.17
  4. Step 4: Simplify right side
    192,830.34x = 29,712,114,428.17
  5. Step 5: Solve for x
    x = 29,712,114,428.17/192,830.34
  6. Step 6: Final answer
    x = 154,084.23

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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.