Home / 131,380.32-197,077.28-63,974.40

Finding the Fourth Proportional to 131,380.32, 197,077.28 and 63,974.40

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Solution

The fourth proportional to 131,380.32, 197,077.28 and 63,974.40 is: 95,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,380.32 : 197,077.28 = 63,974.40 : x
  2. Step 2: Convert to fraction form
    131,380.32/197,077.28 = 63,974.40/x
  3. Step 3: Cross multiply
    131,380.32x = 197,077.28 × 63,974.40
  4. Step 4: Simplify right side
    131,380.32x = 12,607,900,741.63
  5. Step 5: Solve for x
    x = 12,607,900,741.63/131,380.32
  6. Step 6: Final answer
    x = 95,964.91

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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.