Home / 236,122.88-354,208.80-136,395.20

Finding the Fourth Proportional to 236,122.88, 354,208.80 and 136,395.20

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Solution

The fourth proportional to 236,122.88, 354,208.80 and 136,395.20 is: 204,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,122.88 : 354,208.80 = 136,395.20 : x
  2. Step 2: Convert to fraction form
    236,122.88/354,208.80 = 136,395.20/x
  3. Step 3: Cross multiply
    236,122.88x = 354,208.80 × 136,395.20
  4. Step 4: Simplify right side
    236,122.88x = 48,312,380,117.76
  5. Step 5: Solve for x
    x = 48,312,380,117.76/236,122.88
  6. Step 6: Final answer
    x = 204,606.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.