Home / 139,757.95-192,864.04-76,095.75

Finding the Fourth Proportional to 139,757.95, 192,864.04 and 76,095.75

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Solution

The fourth proportional to 139,757.95, 192,864.04 and 76,095.75 is: 105,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,757.95 : 192,864.04 = 76,095.75 : x
  2. Step 2: Convert to fraction form
    139,757.95/192,864.04 = 76,095.75/x
  3. Step 3: Cross multiply
    139,757.95x = 192,864.04 × 76,095.75
  4. Step 4: Simplify right side
    139,757.95x = 14,676,133,771.83
  5. Step 5: Solve for x
    x = 14,676,133,771.83/139,757.95
  6. Step 6: Final answer
    x = 105,011.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.