Home / 130,950.05-196,511.06-71,827.20

Finding the Fourth Proportional to 130,950.05, 196,511.06 and 71,827.20

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Solution

The fourth proportional to 130,950.05, 196,511.06 and 71,827.20 is: 107,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,950.05 : 196,511.06 = 71,827.20 : x
  2. Step 2: Convert to fraction form
    130,950.05/196,511.06 = 71,827.20/x
  3. Step 3: Cross multiply
    130,950.05x = 196,511.06 × 71,827.20
  4. Step 4: Simplify right side
    130,950.05x = 14,114,839,388.40
  5. Step 5: Solve for x
    x = 14,114,839,388.40/130,950.05
  6. Step 6: Final answer
    x = 107,787.97

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1.5x scale

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.