Home / 164,291.40-226,721.86-88,839.72

Finding the Fourth Proportional to 164,291.40, 226,721.86 and 88,839.72

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Solution

The fourth proportional to 164,291.40, 226,721.86 and 88,839.72 is: 122,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,291.40 : 226,721.86 = 88,839.72 : x
  2. Step 2: Convert to fraction form
    164,291.40/226,721.86 = 88,839.72/x
  3. Step 3: Cross multiply
    164,291.40x = 226,721.86 × 88,839.72
  4. Step 4: Simplify right side
    164,291.40x = 20,141,906,560.28
  5. Step 5: Solve for x
    x = 20,141,906,560.28/164,291.40
  6. Step 6: Final answer
    x = 122,598.67

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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.