Home / 210,676.26-316,045.91-77,546.39

Finding the Fourth Proportional to 210,676.26, 316,045.91 and 77,546.39

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Solution

The fourth proportional to 210,676.26, 316,045.91 and 77,546.39 is: 116,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,676.26 : 316,045.91 = 77,546.39 : x
  2. Step 2: Convert to fraction form
    210,676.26/316,045.91 = 77,546.39/x
  3. Step 3: Cross multiply
    210,676.26x = 316,045.91 × 77,546.39
  4. Step 4: Simplify right side
    210,676.26x = 24,508,217,717.60
  5. Step 5: Solve for x
    x = 24,508,217,717.60/210,676.26
  6. Step 6: Final answer
    x = 116,331.18

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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.