Home / 130,330.90-195,457.35-67,967.38

Finding the Fourth Proportional to 130,330.90, 195,457.35 and 67,967.38

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Solution

The fourth proportional to 130,330.90, 195,457.35 and 67,967.38 is: 101,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,330.90 : 195,457.35 = 67,967.38 : x
  2. Step 2: Convert to fraction form
    130,330.90/195,457.35 = 67,967.38/x
  3. Step 3: Cross multiply
    130,330.90x = 195,457.35 × 67,967.38
  4. Step 4: Simplify right side
    130,330.90x = 13,284,723,981.24
  5. Step 5: Solve for x
    x = 13,284,723,981.24/130,330.90
  6. Step 6: Final answer
    x = 101,930.73

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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.