Home / 164,939.57-247,392.95-76,191.80

Finding the Fourth Proportional to 164,939.57, 247,392.95 and 76,191.80

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Solution

The fourth proportional to 164,939.57, 247,392.95 and 76,191.80 is: 114,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,939.57 : 247,392.95 = 76,191.80 : x
  2. Step 2: Convert to fraction form
    164,939.57/247,392.95 = 76,191.80/x
  3. Step 3: Cross multiply
    164,939.57x = 247,392.95 × 76,191.80
  4. Step 4: Simplify right side
    164,939.57x = 18,849,313,121.32
  5. Step 5: Solve for x
    x = 18,849,313,121.32/164,939.57
  6. Step 6: Final answer
    x = 114,280.11

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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.