Home / 130,982.30-196,509.61-52,151.88

Finding the Fourth Proportional to 130,982.30, 196,509.61 and 52,151.88

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Solution

The fourth proportional to 130,982.30, 196,509.61 and 52,151.88 is: 78,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982.30 : 196,509.61 = 52,151.88 : x
  2. Step 2: Convert to fraction form
    130,982.30/196,509.61 = 52,151.88/x
  3. Step 3: Cross multiply
    130,982.30x = 196,509.61 × 52,151.88
  4. Step 4: Simplify right side
    130,982.30x = 10,248,346,401.67
  5. Step 5: Solve for x
    x = 10,248,346,401.67/130,982.30
  6. Step 6: Final answer
    x = 78,242.22

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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.