Home / 211,164.56-316,010.51-172,770.10

Finding the Fourth Proportional to 211,164.56, 316,010.51 and 172,770.10

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Solution

The fourth proportional to 211,164.56, 316,010.51 and 172,770.10 is: 258,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,164.56 : 316,010.51 = 172,770.10 : x
  2. Step 2: Convert to fraction form
    211,164.56/316,010.51 = 172,770.10/x
  3. Step 3: Cross multiply
    211,164.56x = 316,010.51 × 172,770.10
  4. Step 4: Simplify right side
    211,164.56x = 54,597,164,969.85
  5. Step 5: Solve for x
    x = 54,597,164,969.85/211,164.56
  6. Step 6: Final answer
    x = 258,552.70

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1.5x scale

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.