Home / 131,426.70-197,140.05-61,313.10

Finding the Fourth Proportional to 131,426.70, 197,140.05 and 61,313.10

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Solution

The fourth proportional to 131,426.70, 197,140.05 and 61,313.10 is: 91,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,426.70 : 197,140.05 = 61,313.10 : x
  2. Step 2: Convert to fraction form
    131,426.70/197,140.05 = 61,313.10/x
  3. Step 3: Cross multiply
    131,426.70x = 197,140.05 × 61,313.10
  4. Step 4: Simplify right side
    131,426.70x = 12,087,267,599.66
  5. Step 5: Solve for x
    x = 12,087,267,599.66/131,426.70
  6. Step 6: Final answer
    x = 91,969.65

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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.