Home / 125,567.40-173,164.09-82,471.05

Finding the Fourth Proportional to 125,567.40, 173,164.09 and 82,471.05

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Solution

The fourth proportional to 125,567.40, 173,164.09 and 82,471.05 is: 113,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,567.40 : 173,164.09 = 82,471.05 : x
  2. Step 2: Convert to fraction form
    125,567.40/173,164.09 = 82,471.05/x
  3. Step 3: Cross multiply
    125,567.40x = 173,164.09 × 82,471.05
  4. Step 4: Simplify right side
    125,567.40x = 14,281,024,324.59
  5. Step 5: Solve for x
    x = 14,281,024,324.59/125,567.40
  6. Step 6: Final answer
    x = 113,731.94

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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.