Home / 211,952.59-292,499.84-115,156.47

Finding the Fourth Proportional to 211,952.59, 292,499.84 and 115,156.47

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Solution

The fourth proportional to 211,952.59, 292,499.84 and 115,156.47 is: 158,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,952.59 : 292,499.84 = 115,156.47 : x
  2. Step 2: Convert to fraction form
    211,952.59/292,499.84 = 115,156.47/x
  3. Step 3: Cross multiply
    211,952.59x = 292,499.84 × 115,156.47
  4. Step 4: Simplify right side
    211,952.59x = 33,683,249,559.54
  5. Step 5: Solve for x
    x = 33,683,249,559.54/211,952.59
  6. Step 6: Final answer
    x = 158,918.80

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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.