Home / 131,495.40-197,243.10-75,508.20

Finding the Fourth Proportional to 131,495.40, 197,243.10 and 75,508.20

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Solution

The fourth proportional to 131,495.40, 197,243.10 and 75,508.20 is: 113,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495.40 : 197,243.10 = 75,508.20 : x
  2. Step 2: Convert to fraction form
    131,495.40/197,243.10 = 75,508.20/x
  3. Step 3: Cross multiply
    131,495.40x = 197,243.10 × 75,508.20
  4. Step 4: Simplify right side
    131,495.40x = 14,893,471,443.42
  5. Step 5: Solve for x
    x = 14,893,471,443.42/131,495.40
  6. Step 6: Final answer
    x = 113,262.30

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1.5x scale

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.