Home / 129,249.64-193,909.02-116,911.72

Finding the Fourth Proportional to 129,249.64, 193,909.02 and 116,911.72

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Solution

The fourth proportional to 129,249.64, 193,909.02 and 116,911.72 is: 175,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,249.64 : 193,909.02 = 116,911.72 : x
  2. Step 2: Convert to fraction form
    129,249.64/193,909.02 = 116,911.72/x
  3. Step 3: Cross multiply
    129,249.64x = 193,909.02 × 116,911.72
  4. Step 4: Simplify right side
    129,249.64x = 22,670,237,051.71
  5. Step 5: Solve for x
    x = 22,670,237,051.71/129,249.64
  6. Step 6: Final answer
    x = 175,398.84

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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.