Home / 211,983.49-292,553.48-121,367.87

Finding the Fourth Proportional to 211,983.49, 292,553.48 and 121,367.87

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Solution

The fourth proportional to 211,983.49, 292,553.48 and 121,367.87 is: 167,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,983.49 : 292,553.48 = 121,367.87 : x
  2. Step 2: Convert to fraction form
    211,983.49/292,553.48 = 121,367.87/x
  3. Step 3: Cross multiply
    211,983.49x = 292,553.48 × 121,367.87
  4. Step 4: Simplify right side
    211,983.49x = 35,506,593,763.49
  5. Step 5: Solve for x
    x = 35,506,593,763.49/211,983.49
  6. Step 6: Final answer
    x = 167,496.98

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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.