Home / 125,414.64-173,072.04-71,700.84

Finding the Fourth Proportional to 125,414.64, 173,072.04 and 71,700.84

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Solution

The fourth proportional to 125,414.64, 173,072.04 and 71,700.84 is: 98,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,414.64 : 173,072.04 = 71,700.84 : x
  2. Step 2: Convert to fraction form
    125,414.64/173,072.04 = 71,700.84/x
  3. Step 3: Cross multiply
    125,414.64x = 173,072.04 × 71,700.84
  4. Step 4: Simplify right side
    125,414.64x = 12,409,410,648.51
  5. Step 5: Solve for x
    x = 12,409,410,648.51/125,414.64
  6. Step 6: Final answer
    x = 98,947.07

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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.