Home / 112,611.42-155,408.49-62,310.42

Finding the Fourth Proportional to 112,611.42, 155,408.49 and 62,310.42

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Solution

The fourth proportional to 112,611.42, 155,408.49 and 62,310.42 is: 85,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,611.42 : 155,408.49 = 62,310.42 : x
  2. Step 2: Convert to fraction form
    112,611.42/155,408.49 = 62,310.42/x
  3. Step 3: Cross multiply
    112,611.42x = 155,408.49 × 62,310.42
  4. Step 4: Simplify right side
    112,611.42x = 9,683,568,283.47
  5. Step 5: Solve for x
    x = 9,683,568,283.47/112,611.42
  6. Step 6: Final answer
    x = 85,991.00

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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.