Home / 136,435.37-204,275.19-69,731.87

Finding the Fourth Proportional to 136,435.37, 204,275.19 and 69,731.87

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Solution

The fourth proportional to 136,435.37, 204,275.19 and 69,731.87 is: 104,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435.37 : 204,275.19 = 69,731.87 : x
  2. Step 2: Convert to fraction form
    136,435.37/204,275.19 = 69,731.87/x
  3. Step 3: Cross multiply
    136,435.37x = 204,275.19 × 69,731.87
  4. Step 4: Simplify right side
    136,435.37x = 14,244,490,993.31
  5. Step 5: Solve for x
    x = 14,244,490,993.31/136,435.37
  6. Step 6: Final answer
    x = 104,404.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.