Home / 131,446.70-197,170.05-89,456.30

Finding the Fourth Proportional to 131,446.70, 197,170.05 and 89,456.30

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Solution

The fourth proportional to 131,446.70, 197,170.05 and 89,456.30 is: 134,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.70 : 197,170.05 = 89,456.30 : x
  2. Step 2: Convert to fraction form
    131,446.70/197,170.05 = 89,456.30/x
  3. Step 3: Cross multiply
    131,446.70x = 197,170.05 × 89,456.30
  4. Step 4: Simplify right side
    131,446.70x = 17,638,103,143.82
  5. Step 5: Solve for x
    x = 17,638,103,143.82/131,446.70
  6. Step 6: Final answer
    x = 134,184.45

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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.