Home / 136,576.19-188,505.34-88,746.50

Finding the Fourth Proportional to 136,576.19, 188,505.34 and 88,746.50

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Solution

The fourth proportional to 136,576.19, 188,505.34 and 88,746.50 is: 122,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,576.19 : 188,505.34 = 88,746.50 : x
  2. Step 2: Convert to fraction form
    136,576.19/188,505.34 = 88,746.50/x
  3. Step 3: Cross multiply
    136,576.19x = 188,505.34 × 88,746.50
  4. Step 4: Simplify right side
    136,576.19x = 16,729,189,405.71
  5. Step 5: Solve for x
    x = 16,729,189,405.71/136,576.19
  6. Step 6: Final answer
    x = 122,489.79

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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.