Home / 130,869.08-196,401.32-97,212.81

Finding the Fourth Proportional to 130,869.08, 196,401.32 and 97,212.81

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Solution

The fourth proportional to 130,869.08, 196,401.32 and 97,212.81 is: 145,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,869.08 : 196,401.32 = 97,212.81 : x
  2. Step 2: Convert to fraction form
    130,869.08/196,401.32 = 97,212.81/x
  3. Step 3: Cross multiply
    130,869.08x = 196,401.32 × 97,212.81
  4. Step 4: Simplify right side
    130,869.08x = 19,092,723,718.85
  5. Step 5: Solve for x
    x = 19,092,723,718.85/130,869.08
  6. Step 6: Final answer
    x = 145,891.79

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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.