Home / 211,362.12-291,676.95-115,868.79

Finding the Fourth Proportional to 211,362.12, 291,676.95 and 115,868.79

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Solution

The fourth proportional to 211,362.12, 291,676.95 and 115,868.79 is: 159,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,362.12 : 291,676.95 = 115,868.79 : x
  2. Step 2: Convert to fraction form
    211,362.12/291,676.95 = 115,868.79/x
  3. Step 3: Cross multiply
    211,362.12x = 291,676.95 × 115,868.79
  4. Step 4: Simplify right side
    211,362.12x = 33,796,255,267.39
  5. Step 5: Solve for x
    x = 33,796,255,267.39/211,362.12
  6. Step 6: Final answer
    x = 159,897.41

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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.