Home / 210,975.32-291,146.37-115,488.11

Finding the Fourth Proportional to 210,975.32, 291,146.37 and 115,488.11

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Solution

The fourth proportional to 210,975.32, 291,146.37 and 115,488.11 is: 159,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,975.32 : 291,146.37 = 115,488.11 : x
  2. Step 2: Convert to fraction form
    210,975.32/291,146.37 = 115,488.11/x
  3. Step 3: Cross multiply
    210,975.32x = 291,146.37 × 115,488.11
  4. Step 4: Simplify right side
    210,975.32x = 33,623,944,004.66
  5. Step 5: Solve for x
    x = 33,623,944,004.66/210,975.32
  6. Step 6: Final answer
    x = 159,373.83

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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.