Home / 125,317.62-172,941.75-71,611.38

Finding the Fourth Proportional to 125,317.62, 172,941.75 and 71,611.38

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Solution

The fourth proportional to 125,317.62, 172,941.75 and 71,611.38 is: 98,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,317.62 : 172,941.75 = 71,611.38 : x
  2. Step 2: Convert to fraction form
    125,317.62/172,941.75 = 71,611.38/x
  3. Step 3: Cross multiply
    125,317.62x = 172,941.75 × 71,611.38
  4. Step 4: Simplify right side
    125,317.62x = 12,384,597,377.12
  5. Step 5: Solve for x
    x = 12,384,597,377.12/125,317.62
  6. Step 6: Final answer
    x = 98,825.67

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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.