Home / 130,156.38-195,199.54-45,905.61

Finding the Fourth Proportional to 130,156.38, 195,199.54 and 45,905.61

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Solution

The fourth proportional to 130,156.38, 195,199.54 and 45,905.61 is: 68,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,156.38 : 195,199.54 = 45,905.61 : x
  2. Step 2: Convert to fraction form
    130,156.38/195,199.54 = 45,905.61/x
  3. Step 3: Cross multiply
    130,156.38x = 195,199.54 × 45,905.61
  4. Step 4: Simplify right side
    130,156.38x = 8,960,753,955.42
  5. Step 5: Solve for x
    x = 8,960,753,955.42/130,156.38
  6. Step 6: Final answer
    x = 68,846.06

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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.