Home / 129,004.50-193,457.04-50,108.34

Finding the Fourth Proportional to 129,004.50, 193,457.04 and 50,108.34

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Solution

The fourth proportional to 129,004.50, 193,457.04 and 50,108.34 is: 75,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,004.50 : 193,457.04 = 50,108.34 : x
  2. Step 2: Convert to fraction form
    129,004.50/193,457.04 = 50,108.34/x
  3. Step 3: Cross multiply
    129,004.50x = 193,457.04 × 50,108.34
  4. Step 4: Simplify right side
    129,004.50x = 9,693,811,135.71
  5. Step 5: Solve for x
    x = 9,693,811,135.71/129,004.50
  6. Step 6: Final answer
    x = 75,143.20

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1.5x scale

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.