Home / 131,741.55-197,611.52-42,995.12

Finding the Fourth Proportional to 131,741.55, 197,611.52 and 42,995.12

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Solution

The fourth proportional to 131,741.55, 197,611.52 and 42,995.12 is: 64,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,741.55 : 197,611.52 = 42,995.12 : x
  2. Step 2: Convert to fraction form
    131,741.55/197,611.52 = 42,995.12/x
  3. Step 3: Cross multiply
    131,741.55x = 197,611.52 × 42,995.12
  4. Step 4: Simplify right side
    131,741.55x = 8,496,329,812.75
  5. Step 5: Solve for x
    x = 8,496,329,812.75/131,741.55
  6. Step 6: Final answer
    x = 64,492.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.