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Finding the Fourth Proportional to 131,870.70, 182,064.11 and 101,598.57

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Solution

The fourth proportional to 131,870.70, 182,064.11 and 101,598.57 is: 140,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,870.70 : 182,064.11 = 101,598.57 : x
  2. Step 2: Convert to fraction form
    131,870.70/182,064.11 = 101,598.57/x
  3. Step 3: Cross multiply
    131,870.70x = 182,064.11 × 101,598.57
  4. Step 4: Simplify right side
    131,870.70x = 18,497,452,716.33
  5. Step 5: Solve for x
    x = 18,497,452,716.33/131,870.70
  6. Step 6: Final answer
    x = 140,269.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.