Home / 104,404.14-144,078.75-56,657.88

Finding the Fourth Proportional to 104,404.14, 144,078.75 and 56,657.88

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Solution

The fourth proportional to 104,404.14, 144,078.75 and 56,657.88 is: 78,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.14 : 144,078.75 = 56,657.88 : x
  2. Step 2: Convert to fraction form
    104,404.14/144,078.75 = 56,657.88/x
  3. Step 3: Cross multiply
    104,404.14x = 144,078.75 × 56,657.88
  4. Step 4: Simplify right side
    104,404.14x = 8,163,196,528.05
  5. Step 5: Solve for x
    x = 8,163,196,528.05/104,404.14
  6. Step 6: Final answer
    x = 78,188.44

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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.