Home / 104,072.35-143,619.85-56,325.70

Finding the Fourth Proportional to 104,072.35, 143,619.85 and 56,325.70

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Solution

The fourth proportional to 104,072.35, 143,619.85 and 56,325.70 is: 77,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.35 : 143,619.85 = 56,325.70 : x
  2. Step 2: Convert to fraction form
    104,072.35/143,619.85 = 56,325.70/x
  3. Step 3: Cross multiply
    104,072.35x = 143,619.85 × 56,325.70
  4. Step 4: Simplify right side
    104,072.35x = 8,089,488,248.96
  5. Step 5: Solve for x
    x = 8,089,488,248.96/104,072.35
  6. Step 6: Final answer
    x = 77,729.47

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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.