Home / 131,529.80-197,221.80-56,637.20

Finding the Fourth Proportional to 131,529.80, 197,221.80 and 56,637.20

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Solution

The fourth proportional to 131,529.80, 197,221.80 and 56,637.20 is: 84,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,529.80 : 197,221.80 = 56,637.20 : x
  2. Step 2: Convert to fraction form
    131,529.80/197,221.80 = 56,637.20/x
  3. Step 3: Cross multiply
    131,529.80x = 197,221.80 × 56,637.20
  4. Step 4: Simplify right side
    131,529.80x = 11,170,090,530.96
  5. Step 5: Solve for x
    x = 11,170,090,530.96/131,529.80
  6. Step 6: Final answer
    x = 84,924.41

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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.