Home / 131,429.20-197,165.40-56,585.20

Finding the Fourth Proportional to 131,429.20, 197,165.40 and 56,585.20

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Solution

The fourth proportional to 131,429.20, 197,165.40 and 56,585.20 is: 84,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.20 : 197,165.40 = 56,585.20 : x
  2. Step 2: Convert to fraction form
    131,429.20/197,165.40 = 56,585.20/x
  3. Step 3: Cross multiply
    131,429.20x = 197,165.40 × 56,585.20
  4. Step 4: Simplify right side
    131,429.20x = 11,156,643,592.08
  5. Step 5: Solve for x
    x = 11,156,643,592.08/131,429.20
  6. Step 6: Final answer
    x = 84,887.10

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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.