Home / 109,909.66-164,864.07-45,939.94

Finding the Fourth Proportional to 109,909.66, 164,864.07 and 45,939.94

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Solution

The fourth proportional to 109,909.66, 164,864.07 and 45,939.94 is: 68,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,909.66 : 164,864.07 = 45,939.94 : x
  2. Step 2: Convert to fraction form
    109,909.66/164,864.07 = 45,939.94/x
  3. Step 3: Cross multiply
    109,909.66x = 164,864.07 × 45,939.94
  4. Step 4: Simplify right side
    109,909.66x = 7,573,845,483.96
  5. Step 5: Solve for x
    x = 7,573,845,483.96/109,909.66
  6. Step 6: Final answer
    x = 68,909.73

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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.