Home / 211,239.50-291,510.52-115,749.82

Finding the Fourth Proportional to 211,239.50, 291,510.52 and 115,749.82

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Solution

The fourth proportional to 211,239.50, 291,510.52 and 115,749.82 is: 159,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,239.50 : 291,510.52 = 115,749.82 : x
  2. Step 2: Convert to fraction form
    211,239.50/291,510.52 = 115,749.82/x
  3. Step 3: Cross multiply
    211,239.50x = 291,510.52 × 115,749.82
  4. Step 4: Simplify right side
    211,239.50x = 33,742,290,218.11
  5. Step 5: Solve for x
    x = 33,742,290,218.11/211,239.50
  6. Step 6: Final answer
    x = 159,734.76

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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.