Home / 125,568.40-173,165.47-82,472.05

Finding the Fourth Proportional to 125,568.40, 173,165.47 and 82,472.05

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Solution

The fourth proportional to 125,568.40, 173,165.47 and 82,472.05 is: 113,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,568.40 : 173,165.47 = 82,472.05 : x
  2. Step 2: Convert to fraction form
    125,568.40/173,165.47 = 82,472.05/x
  3. Step 3: Cross multiply
    125,568.40x = 173,165.47 × 82,472.05
  4. Step 4: Simplify right side
    125,568.40x = 14,281,311,300.11
  5. Step 5: Solve for x
    x = 14,281,311,300.11/125,568.40
  6. Step 6: Final answer
    x = 113,733.32

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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.