Home / 136,097.96-187,749.75-88,366.28

Finding the Fourth Proportional to 136,097.96, 187,749.75 and 88,366.28

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Solution

The fourth proportional to 136,097.96, 187,749.75 and 88,366.28 is: 121,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,097.96 : 187,749.75 = 88,366.28 : x
  2. Step 2: Convert to fraction form
    136,097.96/187,749.75 = 88,366.28/x
  3. Step 3: Cross multiply
    136,097.96x = 187,749.75 × 88,366.28
  4. Step 4: Simplify right side
    136,097.96x = 16,590,746,978.43
  5. Step 5: Solve for x
    x = 16,590,746,978.43/136,097.96
  6. Step 6: Final answer
    x = 121,902.98

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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.