Home / 210,983.54-316,464.33-53,213.36

Finding the Fourth Proportional to 210,983.54, 316,464.33 and 53,213.36

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Solution

The fourth proportional to 210,983.54, 316,464.33 and 53,213.36 is: 79,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,983.54 : 316,464.33 = 53,213.36 : x
  2. Step 2: Convert to fraction form
    210,983.54/316,464.33 = 53,213.36/x
  3. Step 3: Cross multiply
    210,983.54x = 316,464.33 × 53,213.36
  4. Step 4: Simplify right side
    210,983.54x = 16,840,130,319.45
  5. Step 5: Solve for x
    x = 16,840,130,319.45/210,983.54
  6. Step 6: Final answer
    x = 79,817.27

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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.