Home / 102,877.74-141,974.28-57,554.66

Finding the Fourth Proportional to 102,877.74, 141,974.28 and 57,554.66

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Solution

The fourth proportional to 102,877.74, 141,974.28 and 57,554.66 is: 79,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,877.74 : 141,974.28 = 57,554.66 : x
  2. Step 2: Convert to fraction form
    102,877.74/141,974.28 = 57,554.66/x
  3. Step 3: Cross multiply
    102,877.74x = 141,974.28 × 57,554.66
  4. Step 4: Simplify right side
    102,877.74x = 8,171,280,704.27
  5. Step 5: Solve for x
    x = 8,171,280,704.27/102,877.74
  6. Step 6: Final answer
    x = 79,427.10

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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.