Home / 104,181.85-143,770.95-56,435.19

Finding the Fourth Proportional to 104,181.85, 143,770.95 and 56,435.19

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Solution

The fourth proportional to 104,181.85, 143,770.95 and 56,435.19 is: 77,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.85 : 143,770.95 = 56,435.19 : x
  2. Step 2: Convert to fraction form
    104,181.85/143,770.95 = 56,435.19/x
  3. Step 3: Cross multiply
    104,181.85x = 143,770.95 × 56,435.19
  4. Step 4: Simplify right side
    104,181.85x = 8,113,739,878.70
  5. Step 5: Solve for x
    x = 8,113,739,878.70/104,181.85
  6. Step 6: Final answer
    x = 77,880.55

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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.