Home / 125,568.90-173,330.57-83,141.10

Finding the Fourth Proportional to 125,568.90, 173,330.57 and 83,141.10

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Solution

The fourth proportional to 125,568.90, 173,330.57 and 83,141.10 is: 114,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,568.90 : 173,330.57 = 83,141.10 : x
  2. Step 2: Convert to fraction form
    125,568.90/173,330.57 = 83,141.10/x
  3. Step 3: Cross multiply
    125,568.90x = 173,330.57 × 83,141.10
  4. Step 4: Simplify right side
    125,568.90x = 14,410,893,837.72
  5. Step 5: Solve for x
    x = 14,410,893,837.72/125,568.90
  6. Step 6: Final answer
    x = 114,764.83

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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.