Home / 214,904.70-322,243.65-72,701.10

Finding the Fourth Proportional to 214,904.70, 322,243.65 and 72,701.10

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Solution

The fourth proportional to 214,904.70, 322,243.65 and 72,701.10 is: 109,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,904.70 : 322,243.65 = 72,701.10 : x
  2. Step 2: Convert to fraction form
    214,904.70/322,243.65 = 72,701.10/x
  3. Step 3: Cross multiply
    214,904.70x = 322,243.65 × 72,701.10
  4. Step 4: Simplify right side
    214,904.70x = 23,427,467,823.02
  5. Step 5: Solve for x
    x = 23,427,467,823.02/214,904.70
  6. Step 6: Final answer
    x = 109,013.29

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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.