Home / 136,238.88-204,391.13-42,744.63

Finding the Fourth Proportional to 136,238.88, 204,391.13 and 42,744.63

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Solution

The fourth proportional to 136,238.88, 204,391.13 and 42,744.63 is: 64,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,238.88 : 204,391.13 = 42,744.63 : x
  2. Step 2: Convert to fraction form
    136,238.88/204,391.13 = 42,744.63/x
  3. Step 3: Cross multiply
    136,238.88x = 204,391.13 × 42,744.63
  4. Step 4: Simplify right side
    136,238.88x = 8,736,623,227.13
  5. Step 5: Solve for x
    x = 8,736,623,227.13/136,238.88
  6. Step 6: Final answer
    x = 64,127.24

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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.