Home / 131,520.30-197,278.62-123,114.93

Finding the Fourth Proportional to 131,520.30, 197,278.62 and 123,114.93

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Solution

The fourth proportional to 131,520.30, 197,278.62 and 123,114.93 is: 184,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520.30 : 197,278.62 = 123,114.93 : x
  2. Step 2: Convert to fraction form
    131,520.30/197,278.62 = 123,114.93/x
  3. Step 3: Cross multiply
    131,520.30x = 197,278.62 × 123,114.93
  4. Step 4: Simplify right side
    131,520.30x = 24,287,943,491.80
  5. Step 5: Solve for x
    x = 24,287,943,491.80/131,520.30
  6. Step 6: Final answer
    x = 184,670.68

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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.