Home / 211,910.18-292,441.46-116,419.28

Finding the Fourth Proportional to 211,910.18, 292,441.46 and 116,419.28

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Solution

The fourth proportional to 211,910.18, 292,441.46 and 116,419.28 is: 160,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,910.18 : 292,441.46 = 116,419.28 : x
  2. Step 2: Convert to fraction form
    211,910.18/292,441.46 = 116,419.28/x
  3. Step 3: Cross multiply
    211,910.18x = 292,441.46 × 116,419.28
  4. Step 4: Simplify right side
    211,910.18x = 34,045,822,171.05
  5. Step 5: Solve for x
    x = 34,045,822,171.05/211,910.18
  6. Step 6: Final answer
    x = 160,661.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.