Home / 129,322.02-193,934.64-45,060.56

Finding the Fourth Proportional to 129,322.02, 193,934.64 and 45,060.56

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Solution

The fourth proportional to 129,322.02, 193,934.64 and 45,060.56 is: 67,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,322.02 : 193,934.64 = 45,060.56 : x
  2. Step 2: Convert to fraction form
    129,322.02/193,934.64 = 45,060.56/x
  3. Step 3: Cross multiply
    129,322.02x = 193,934.64 × 45,060.56
  4. Step 4: Simplify right side
    129,322.02x = 8,738,803,481.80
  5. Step 5: Solve for x
    x = 8,738,803,481.80/129,322.02
  6. Step 6: Final answer
    x = 67,573.98

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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.