Home / 129,300.48-193,958.94-45,057.24

Finding the Fourth Proportional to 129,300.48, 193,958.94 and 45,057.24

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Solution

The fourth proportional to 129,300.48, 193,958.94 and 45,057.24 is: 67,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,300.48 : 193,958.94 = 45,057.24 : x
  2. Step 2: Convert to fraction form
    129,300.48/193,958.94 = 45,057.24/x
  3. Step 3: Cross multiply
    129,300.48x = 193,958.94 × 45,057.24
  4. Step 4: Simplify right side
    129,300.48x = 8,739,254,509.73
  5. Step 5: Solve for x
    x = 8,739,254,509.73/129,300.48
  6. Step 6: Final answer
    x = 67,588.72

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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.