Home / 145,686.60-201,051.24-82,026.66

Finding the Fourth Proportional to 145,686.60, 201,051.24 and 82,026.66

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Solution

The fourth proportional to 145,686.60, 201,051.24 and 82,026.66 is: 113,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,686.60 : 201,051.24 = 82,026.66 : x
  2. Step 2: Convert to fraction form
    145,686.60/201,051.24 = 82,026.66/x
  3. Step 3: Cross multiply
    145,686.60x = 201,051.24 × 82,026.66
  4. Step 4: Simplify right side
    145,686.60x = 16,491,561,706.06
  5. Step 5: Solve for x
    x = 16,491,561,706.06/145,686.60
  6. Step 6: Final answer
    x = 113,198.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.