Home / 210,731.60-316,097.40-110,853.20

Finding the Fourth Proportional to 210,731.60, 316,097.40 and 110,853.20

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Solution

The fourth proportional to 210,731.60, 316,097.40 and 110,853.20 is: 166,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,731.60 : 316,097.40 = 110,853.20 : x
  2. Step 2: Convert to fraction form
    210,731.60/316,097.40 = 110,853.20/x
  3. Step 3: Cross multiply
    210,731.60x = 316,097.40 × 110,853.20
  4. Step 4: Simplify right side
    210,731.60x = 35,040,408,301.68
  5. Step 5: Solve for x
    x = 35,040,408,301.68/210,731.60
  6. Step 6: Final answer
    x = 166,279.80

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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.