Home / 136,053.56-187,688.58-117,157.88

Finding the Fourth Proportional to 136,053.56, 187,688.58 and 117,157.88

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Solution

The fourth proportional to 136,053.56, 187,688.58 and 117,157.88 is: 161,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,053.56 : 187,688.58 = 117,157.88 : x
  2. Step 2: Convert to fraction form
    136,053.56/187,688.58 = 117,157.88/x
  3. Step 3: Cross multiply
    136,053.56x = 187,688.58 × 117,157.88
  4. Step 4: Simplify right side
    136,053.56x = 21,989,195,194.57
  5. Step 5: Solve for x
    x = 21,989,195,194.57/136,053.56
  6. Step 6: Final answer
    x = 161,621.61

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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.