Home / 103,451.58-155,245.41-56,737.26

Finding the Fourth Proportional to 103,451.58, 155,245.41 and 56,737.26

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Solution

The fourth proportional to 103,451.58, 155,245.41 and 56,737.26 is: 85,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,451.58 : 155,245.41 = 56,737.26 : x
  2. Step 2: Convert to fraction form
    103,451.58/155,245.41 = 56,737.26/x
  3. Step 3: Cross multiply
    103,451.58x = 155,245.41 × 56,737.26
  4. Step 4: Simplify right side
    103,451.58x = 8,808,199,190.98
  5. Step 5: Solve for x
    x = 8,808,199,190.98/103,451.58
  6. Step 6: Final answer
    x = 85,143.21

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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.