Home / 104,179.40-143,768.26-56,432.75

Finding the Fourth Proportional to 104,179.40, 143,768.26 and 56,432.75

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Solution

The fourth proportional to 104,179.40, 143,768.26 and 56,432.75 is: 77,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,179.40 : 143,768.26 = 56,432.75 : x
  2. Step 2: Convert to fraction form
    104,179.40/143,768.26 = 56,432.75/x
  3. Step 3: Cross multiply
    104,179.40x = 143,768.26 × 56,432.75
  4. Step 4: Simplify right side
    104,179.40x = 8,113,237,555.67
  5. Step 5: Solve for x
    x = 8,113,237,555.67/104,179.40
  6. Step 6: Final answer
    x = 77,877.56

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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.