Home / 131,784.60-197,628.30-56,908.20

Finding the Fourth Proportional to 131,784.60, 197,628.30 and 56,908.20

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Solution

The fourth proportional to 131,784.60, 197,628.30 and 56,908.20 is: 85,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784.60 : 197,628.30 = 56,908.20 : x
  2. Step 2: Convert to fraction form
    131,784.60/197,628.30 = 56,908.20/x
  3. Step 3: Cross multiply
    131,784.60x = 197,628.30 × 56,908.20
  4. Step 4: Simplify right side
    131,784.60x = 11,246,670,822.06
  5. Step 5: Solve for x
    x = 11,246,670,822.06/131,784.60
  6. Step 6: Final answer
    x = 85,341.31

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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.