Home / 104,731.28-144,528.50-56,984.82

Finding the Fourth Proportional to 104,731.28, 144,528.50 and 56,984.82

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Solution

The fourth proportional to 104,731.28, 144,528.50 and 56,984.82 is: 78,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,731.28 : 144,528.50 = 56,984.82 : x
  2. Step 2: Convert to fraction form
    104,731.28/144,528.50 = 56,984.82/x
  3. Step 3: Cross multiply
    104,731.28x = 144,528.50 × 56,984.82
  4. Step 4: Simplify right side
    104,731.28x = 8,235,930,157.85
  5. Step 5: Solve for x
    x = 8,235,930,157.85/104,731.28
  6. Step 6: Final answer
    x = 78,638.69

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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.