Home / 136,435.55-188,284.38-76,007.19

Finding the Fourth Proportional to 136,435.55, 188,284.38 and 76,007.19

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Solution

The fourth proportional to 136,435.55, 188,284.38 and 76,007.19 is: 104,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435.55 : 188,284.38 = 76,007.19 : x
  2. Step 2: Convert to fraction form
    136,435.55/188,284.38 = 76,007.19/x
  3. Step 3: Cross multiply
    136,435.55x = 188,284.38 × 76,007.19
  4. Step 4: Simplify right side
    136,435.55x = 14,310,966,644.69
  5. Step 5: Solve for x
    x = 14,310,966,644.69/136,435.55
  6. Step 6: Final answer
    x = 104,891.77

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1.5x scale

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.