Home / 131,520.30-197,134.65-56,627.70

Finding the Fourth Proportional to 131,520.30, 197,134.65 and 56,627.70

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Solution

The fourth proportional to 131,520.30, 197,134.65 and 56,627.70 is: 84,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520.30 : 197,134.65 = 56,627.70 : x
  2. Step 2: Convert to fraction form
    131,520.30/197,134.65 = 56,627.70/x
  3. Step 3: Cross multiply
    131,520.30x = 197,134.65 × 56,627.70
  4. Step 4: Simplify right side
    131,520.30x = 11,163,281,819.81
  5. Step 5: Solve for x
    x = 11,163,281,819.81/131,520.30
  6. Step 6: Final answer
    x = 84,878.77

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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.