Home / 103,451.08-155,244.67-56,736.76

Finding the Fourth Proportional to 103,451.08, 155,244.67 and 56,736.76

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Solution

The fourth proportional to 103,451.08, 155,244.67 and 56,736.76 is: 85,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,451.08 : 155,244.67 = 56,736.76 : x
  2. Step 2: Convert to fraction form
    103,451.08/155,244.67 = 56,736.76/x
  3. Step 3: Cross multiply
    103,451.08x = 155,244.67 × 56,736.76
  4. Step 4: Simplify right side
    103,451.08x = 8,808,079,583.07
  5. Step 5: Solve for x
    x = 8,808,079,583.07/103,451.08
  6. Step 6: Final answer
    x = 85,142.46

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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.