Home / 136,711.54-188,674.96-82,984.24

Finding the Fourth Proportional to 136,711.54, 188,674.96 and 82,984.24

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Solution

The fourth proportional to 136,711.54, 188,674.96 and 82,984.24 is: 114,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,711.54 : 188,674.96 = 82,984.24 : x
  2. Step 2: Convert to fraction form
    136,711.54/188,674.96 = 82,984.24/x
  3. Step 3: Cross multiply
    136,711.54x = 188,674.96 × 82,984.24
  4. Step 4: Simplify right side
    136,711.54x = 15,657,048,162.63
  5. Step 5: Solve for x
    x = 15,657,048,162.63/136,711.54
  6. Step 6: Final answer
    x = 114,526.16

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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.