Home / 125,672.62-173,428.23-71,975.44

Finding the Fourth Proportional to 125,672.62, 173,428.23 and 71,975.44

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Solution

The fourth proportional to 125,672.62, 173,428.23 and 71,975.44 is: 99,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,672.62 : 173,428.23 = 71,975.44 : x
  2. Step 2: Convert to fraction form
    125,672.62/173,428.23 = 71,975.44/x
  3. Step 3: Cross multiply
    125,672.62x = 173,428.23 × 71,975.44
  4. Step 4: Simplify right side
    125,672.62x = 12,482,573,162.67
  5. Step 5: Solve for x
    x = 12,482,573,162.67/125,672.62
  6. Step 6: Final answer
    x = 99,326.12

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1.5x scale

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.