Home / 131,646.87-197,490.96-56,788.29

Finding the Fourth Proportional to 131,646.87, 197,490.96 and 56,788.29

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Solution

The fourth proportional to 131,646.87, 197,490.96 and 56,788.29 is: 85,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,646.87 : 197,490.96 = 56,788.29 : x
  2. Step 2: Convert to fraction form
    131,646.87/197,490.96 = 56,788.29/x
  3. Step 3: Cross multiply
    131,646.87x = 197,490.96 × 56,788.29
  4. Step 4: Simplify right side
    131,646.87x = 11,215,173,908.86
  5. Step 5: Solve for x
    x = 11,215,173,908.86/131,646.87
  6. Step 6: Final answer
    x = 85,191.34

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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.