Home / 131,412.30-197,167.05-42,668.70

Finding the Fourth Proportional to 131,412.30, 197,167.05 and 42,668.70

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Solution

The fourth proportional to 131,412.30, 197,167.05 and 42,668.70 is: 64,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,412.30 : 197,167.05 = 42,668.70 : x
  2. Step 2: Convert to fraction form
    131,412.30/197,167.05 = 42,668.70/x
  3. Step 3: Cross multiply
    131,412.30x = 197,167.05 × 42,668.70
  4. Step 4: Simplify right side
    131,412.30x = 8,412,861,706.34
  5. Step 5: Solve for x
    x = 8,412,861,706.34/131,412.30
  6. Step 6: Final answer
    x = 64,018.83

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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.