Home / 102,030.26-140,801.01-57,318.26

Finding the Fourth Proportional to 102,030.26, 140,801.01 and 57,318.26

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Solution

The fourth proportional to 102,030.26, 140,801.01 and 57,318.26 is: 79,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,030.26 : 140,801.01 = 57,318.26 : x
  2. Step 2: Convert to fraction form
    102,030.26/140,801.01 = 57,318.26/x
  3. Step 3: Cross multiply
    102,030.26x = 140,801.01 × 57,318.26
  4. Step 4: Simplify right side
    102,030.26x = 8,070,468,899.44
  5. Step 5: Solve for x
    x = 8,070,468,899.44/102,030.26
  6. Step 6: Final answer
    x = 79,098.78

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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.