Home / 130,983.40-196,505.82-52,102.12

Finding the Fourth Proportional to 130,983.40, 196,505.82 and 52,102.12

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Solution

The fourth proportional to 130,983.40, 196,505.82 and 52,102.12 is: 78,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,983.40 : 196,505.82 = 52,102.12 : x
  2. Step 2: Convert to fraction form
    130,983.40/196,505.82 = 52,102.12/x
  3. Step 3: Cross multiply
    130,983.40x = 196,505.82 × 52,102.12
  4. Step 4: Simplify right side
    130,983.40x = 10,238,369,814.34
  5. Step 5: Solve for x
    x = 10,238,369,814.34/130,983.40
  6. Step 6: Final answer
    x = 78,165.40

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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.