Home / 140,677.48-194,148.12-84,087.64

Finding the Fourth Proportional to 140,677.48, 194,148.12 and 84,087.64

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Solution

The fourth proportional to 140,677.48, 194,148.12 and 84,087.64 is: 116,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,677.48 : 194,148.12 = 84,087.64 : x
  2. Step 2: Convert to fraction form
    140,677.48/194,148.12 = 84,087.64/x
  3. Step 3: Cross multiply
    140,677.48x = 194,148.12 × 84,087.64
  4. Step 4: Simplify right side
    140,677.48x = 16,325,457,221.24
  5. Step 5: Solve for x
    x = 16,325,457,221.24/140,677.48
  6. Step 6: Final answer
    x = 116,048.83

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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.