Home / 104,388.14-144,056.58-56,641.88

Finding the Fourth Proportional to 104,388.14, 144,056.58 and 56,641.88

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Solution

The fourth proportional to 104,388.14, 144,056.58 and 56,641.88 is: 78,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,388.14 : 144,056.58 = 56,641.88 : x
  2. Step 2: Convert to fraction form
    104,388.14/144,056.58 = 56,641.88/x
  3. Step 3: Cross multiply
    104,388.14x = 144,056.58 × 56,641.88
  4. Step 4: Simplify right side
    104,388.14x = 8,159,635,665.30
  5. Step 5: Solve for x
    x = 8,159,635,665.30/104,388.14
  6. Step 6: Final answer
    x = 78,166.31

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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.