Home / 143,436.02-215,161.04-54,672.98

Finding the Fourth Proportional to 143,436.02, 215,161.04 and 54,672.98

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Solution

The fourth proportional to 143,436.02, 215,161.04 and 54,672.98 is: 82,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,436.02 : 215,161.04 = 54,672.98 : x
  2. Step 2: Convert to fraction form
    143,436.02/215,161.04 = 54,672.98/x
  3. Step 3: Cross multiply
    143,436.02x = 215,161.04 × 54,672.98
  4. Step 4: Simplify right side
    143,436.02x = 11,763,494,297.58
  5. Step 5: Solve for x
    x = 11,763,494,297.58/143,436.02
  6. Step 6: Final answer
    x = 82,012.14

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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.