Home / 210,676.23-316,045.82-77,546.37

Finding the Fourth Proportional to 210,676.23, 316,045.82 and 77,546.37

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Solution

The fourth proportional to 210,676.23, 316,045.82 and 77,546.37 is: 116,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,676.23 : 316,045.82 = 77,546.37 : x
  2. Step 2: Convert to fraction form
    210,676.23/316,045.82 = 77,546.37/x
  3. Step 3: Cross multiply
    210,676.23x = 316,045.82 × 77,546.37
  4. Step 4: Simplify right side
    210,676.23x = 24,508,205,645.55
  5. Step 5: Solve for x
    x = 24,508,205,645.55/210,676.23
  6. Step 6: Final answer
    x = 116,331.14

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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.