Home / 136,663.54-188,595.98-76,232.64

Finding the Fourth Proportional to 136,663.54, 188,595.98 and 76,232.64

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Solution

The fourth proportional to 136,663.54, 188,595.98 and 76,232.64 is: 105,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,663.54 : 188,595.98 = 76,232.64 : x
  2. Step 2: Convert to fraction form
    136,663.54/188,595.98 = 76,232.64/x
  3. Step 3: Cross multiply
    136,663.54x = 188,595.98 × 76,232.64
  4. Step 4: Simplify right side
    136,663.54x = 14,377,169,448.79
  5. Step 5: Solve for x
    x = 14,377,169,448.79/136,663.54
  6. Step 6: Final answer
    x = 105,201.21

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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.