Home / 131,721.68-197,581.70-42,975.24

Finding the Fourth Proportional to 131,721.68, 197,581.70 and 42,975.24

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Solution

The fourth proportional to 131,721.68, 197,581.70 and 42,975.24 is: 64,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,721.68 : 197,581.70 = 42,975.24 : x
  2. Step 2: Convert to fraction form
    131,721.68/197,581.70 = 42,975.24/x
  3. Step 3: Cross multiply
    131,721.68x = 197,581.70 × 42,975.24
  4. Step 4: Simplify right side
    131,721.68x = 8,491,120,762.23
  5. Step 5: Solve for x
    x = 8,491,120,762.23/131,721.68
  6. Step 6: Final answer
    x = 64,462.59

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1.5x scale

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.