Home / 131,521.30-197,280.12-123,115.93

Finding the Fourth Proportional to 131,521.30, 197,280.12 and 123,115.93

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Solution

The fourth proportional to 131,521.30, 197,280.12 and 123,115.93 is: 184,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,521.30 : 197,280.12 = 123,115.93 : x
  2. Step 2: Convert to fraction form
    131,521.30/197,280.12 = 123,115.93/x
  3. Step 3: Cross multiply
    131,521.30x = 197,280.12 × 123,115.93
  4. Step 4: Simplify right side
    131,521.30x = 24,288,325,444.31
  5. Step 5: Solve for x
    x = 24,288,325,444.31/131,521.30
  6. Step 6: Final answer
    x = 184,672.18

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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.