Home / 109,400.43-164,100.57-84,476.86

Finding the Fourth Proportional to 109,400.43, 164,100.57 and 84,476.86

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Solution

The fourth proportional to 109,400.43, 164,100.57 and 84,476.86 is: 126,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,400.43 : 164,100.57 = 84,476.86 : x
  2. Step 2: Convert to fraction form
    109,400.43/164,100.57 = 84,476.86/x
  3. Step 3: Cross multiply
    109,400.43x = 164,100.57 × 84,476.86
  4. Step 4: Simplify right side
    109,400.43x = 13,862,700,877.81
  5. Step 5: Solve for x
    x = 13,862,700,877.81/109,400.43
  6. Step 6: Final answer
    x = 126,715.23

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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.