Home / 158,717.88-238,049.28-52,100.28

Finding the Fourth Proportional to 158,717.88, 238,049.28 and 52,100.28

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Solution

The fourth proportional to 158,717.88, 238,049.28 and 52,100.28 is: 78,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,717.88 : 238,049.28 = 52,100.28 : x
  2. Step 2: Convert to fraction form
    158,717.88/238,049.28 = 52,100.28/x
  3. Step 3: Cross multiply
    158,717.88x = 238,049.28 × 52,100.28
  4. Step 4: Simplify right side
    158,717.88x = 12,402,434,141.80
  5. Step 5: Solve for x
    x = 12,402,434,141.80/158,717.88
  6. Step 6: Final answer
    x = 78,141.38

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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.