Home / 136,932.01-188,962.70-76,503.11

Finding the Fourth Proportional to 136,932.01, 188,962.70 and 76,503.11

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Solution

The fourth proportional to 136,932.01, 188,962.70 and 76,503.11 is: 105,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932.01 : 188,962.70 = 76,503.11 : x
  2. Step 2: Convert to fraction form
    136,932.01/188,962.70 = 76,503.11/x
  3. Step 3: Cross multiply
    136,932.01x = 188,962.70 × 76,503.11
  4. Step 4: Simplify right side
    136,932.01x = 14,456,234,224.00
  5. Step 5: Solve for x
    x = 14,456,234,224.00/136,932.01
  6. Step 6: Final answer
    x = 105,572.35

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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.