Home / 131,447.08-197,139.90-42,677.80

Finding the Fourth Proportional to 131,447.08, 197,139.90 and 42,677.80

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Solution

The fourth proportional to 131,447.08, 197,139.90 and 42,677.80 is: 64,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,447.08 : 197,139.90 = 42,677.80 : x
  2. Step 2: Convert to fraction form
    131,447.08/197,139.90 = 42,677.80/x
  3. Step 3: Cross multiply
    131,447.08x = 197,139.90 × 42,677.80
  4. Step 4: Simplify right side
    131,447.08x = 8,413,497,224.22
  5. Step 5: Solve for x
    x = 8,413,497,224.22/131,447.08
  6. Step 6: Final answer
    x = 64,006.73

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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.