Home / 131,501.40-197,252.10-108,461.40

Finding the Fourth Proportional to 131,501.40, 197,252.10 and 108,461.40

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Solution

The fourth proportional to 131,501.40, 197,252.10 and 108,461.40 is: 162,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,501.40 : 197,252.10 = 108,461.40 : x
  2. Step 2: Convert to fraction form
    131,501.40/197,252.10 = 108,461.40/x
  3. Step 3: Cross multiply
    131,501.40x = 197,252.10 × 108,461.40
  4. Step 4: Simplify right side
    131,501.40x = 21,394,238,918.94
  5. Step 5: Solve for x
    x = 21,394,238,918.94/131,501.40
  6. Step 6: Final answer
    x = 162,692.10

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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.