Home / 131,611.20-197,370.08-42,848.16

Finding the Fourth Proportional to 131,611.20, 197,370.08 and 42,848.16

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Solution

The fourth proportional to 131,611.20, 197,370.08 and 42,848.16 is: 64,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,611.20 : 197,370.08 = 42,848.16 : x
  2. Step 2: Convert to fraction form
    131,611.20/197,370.08 = 42,848.16/x
  3. Step 3: Cross multiply
    131,611.20x = 197,370.08 × 42,848.16
  4. Step 4: Simplify right side
    131,611.20x = 8,456,944,767.05
  5. Step 5: Solve for x
    x = 8,456,944,767.05/131,611.20
  6. Step 6: Final answer
    x = 64,257.03

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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.