Home / 125,410.33-173,210-82,581.28

Finding the Fourth Proportional to 125,410.33, 173,210 and 82,581.28

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Solution

The fourth proportional to 125,410.33, 173,210 and 82,581.28 is: 114,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,410.33 : 173,210 = 82,581.28 : x
  2. Step 2: Convert to fraction form
    125,410.33/173,210 = 82,581.28/x
  3. Step 3: Cross multiply
    125,410.33x = 173,210 × 82,581.28
  4. Step 4: Simplify right side
    125,410.33x = 14,303,903,508.80
  5. Step 5: Solve for x
    x = 14,303,903,508.80/125,410.33
  6. Step 6: Final answer
    x = 114,056.82

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