Home / 153,046.60-211,195.00-85,061.31

Finding the Fourth Proportional to 153,046.60, 211,195.00 and 85,061.31

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Solution

The fourth proportional to 153,046.60, 211,195.00 and 85,061.31 is: 117,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046.60 : 211,195.00 = 85,061.31 : x
  2. Step 2: Convert to fraction form
    153,046.60/211,195.00 = 85,061.31/x
  3. Step 3: Cross multiply
    153,046.60x = 211,195.00 × 85,061.31
  4. Step 4: Simplify right side
    153,046.60x = 17,964,524,521.56
  5. Step 5: Solve for x
    x = 17,964,524,521.56/153,046.60
  6. Step 6: Final answer
    x = 117,379.44

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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.