Home / 131,519.80-197,133.90-56,627.20

Finding the Fourth Proportional to 131,519.80, 197,133.90 and 56,627.20

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Solution

The fourth proportional to 131,519.80, 197,133.90 and 56,627.20 is: 84,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519.80 : 197,133.90 = 56,627.20 : x
  2. Step 2: Convert to fraction form
    131,519.80/197,133.90 = 56,627.20/x
  3. Step 3: Cross multiply
    131,519.80x = 197,133.90 × 56,627.20
  4. Step 4: Simplify right side
    131,519.80x = 11,163,140,782.08
  5. Step 5: Solve for x
    x = 11,163,140,782.08/131,519.80
  6. Step 6: Final answer
    x = 84,878.02

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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.