Home / 129,308.10-193,955.94-45,064.86

Finding the Fourth Proportional to 129,308.10, 193,955.94 and 45,064.86

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Solution

The fourth proportional to 129,308.10, 193,955.94 and 45,064.86 is: 67,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,308.10 : 193,955.94 = 45,064.86 : x
  2. Step 2: Convert to fraction form
    129,308.10/193,955.94 = 45,064.86/x
  3. Step 3: Cross multiply
    129,308.10x = 193,955.94 × 45,064.86
  4. Step 4: Simplify right side
    129,308.10x = 8,740,597,282.27
  5. Step 5: Solve for x
    x = 8,740,597,282.27/129,308.10
  6. Step 6: Final answer
    x = 67,595.13

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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.