Home / 130,905.95-196,354.99-36,141.91

Finding the Fourth Proportional to 130,905.95, 196,354.99 and 36,141.91

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Solution

The fourth proportional to 130,905.95, 196,354.99 and 36,141.91 is: 54,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.95 : 196,354.99 = 36,141.91 : x
  2. Step 2: Convert to fraction form
    130,905.95/196,354.99 = 36,141.91/x
  3. Step 3: Cross multiply
    130,905.95x = 196,354.99 × 36,141.91
  4. Step 4: Simplify right side
    130,905.95x = 7,096,644,957.87
  5. Step 5: Solve for x
    x = 7,096,644,957.87/130,905.95
  6. Step 6: Final answer
    x = 54,211.79

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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.