Home / 104,181.60-143,770.96-56,434.80

Finding the Fourth Proportional to 104,181.60, 143,770.96 and 56,434.80

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Solution

The fourth proportional to 104,181.60, 143,770.96 and 56,434.80 is: 77,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.60 : 143,770.96 = 56,434.80 : x
  2. Step 2: Convert to fraction form
    104,181.60/143,770.96 = 56,434.80/x
  3. Step 3: Cross multiply
    104,181.60x = 143,770.96 × 56,434.80
  4. Step 4: Simplify right side
    104,181.60x = 8,113,685,373.41
  5. Step 5: Solve for x
    x = 8,113,685,373.41/104,181.60
  6. Step 6: Final answer
    x = 77,880.21

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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.