Home / 211,631.31-292,054.77-116,146.89

Finding the Fourth Proportional to 211,631.31, 292,054.77 and 116,146.89

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Solution

The fourth proportional to 211,631.31, 292,054.77 and 116,146.89 is: 160,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,631.31 : 292,054.77 = 116,146.89 : x
  2. Step 2: Convert to fraction form
    211,631.31/292,054.77 = 116,146.89/x
  3. Step 3: Cross multiply
    211,631.31x = 292,054.77 × 116,146.89
  4. Step 4: Simplify right side
    211,631.31x = 33,921,253,245.17
  5. Step 5: Solve for x
    x = 33,921,253,245.17/211,631.31
  6. Step 6: Final answer
    x = 160,284.66

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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.