Home / 214,871.08-322,258.02-81,703.84

Finding the Fourth Proportional to 214,871.08, 322,258.02 and 81,703.84

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Solution

The fourth proportional to 214,871.08, 322,258.02 and 81,703.84 is: 122,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,871.08 : 322,258.02 = 81,703.84 : x
  2. Step 2: Convert to fraction form
    214,871.08/322,258.02 = 81,703.84/x
  3. Step 3: Cross multiply
    214,871.08x = 322,258.02 × 81,703.84
  4. Step 4: Simplify right side
    214,871.08x = 26,329,717,704.80
  5. Step 5: Solve for x
    x = 26,329,717,704.80/214,871.08
  6. Step 6: Final answer
    x = 122,537.28

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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.