Home / 104,403.25-144,076.58-56,656.60

Finding the Fourth Proportional to 104,403.25, 144,076.58 and 56,656.60

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Solution

The fourth proportional to 104,403.25, 144,076.58 and 56,656.60 is: 78,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403.25 : 144,076.58 = 56,656.60 : x
  2. Step 2: Convert to fraction form
    104,403.25/144,076.58 = 56,656.60/x
  3. Step 3: Cross multiply
    104,403.25x = 144,076.58 × 56,656.60
  4. Step 4: Simplify right side
    104,403.25x = 8,162,889,162.43
  5. Step 5: Solve for x
    x = 8,162,889,162.43/104,403.25
  6. Step 6: Final answer
    x = 78,186.16

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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.