Home / 104,724.66-144,520.65-56,978.35

Finding the Fourth Proportional to 104,724.66, 144,520.65 and 56,978.35

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Solution

The fourth proportional to 104,724.66, 144,520.65 and 56,978.35 is: 78,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,724.66 : 144,520.65 = 56,978.35 : x
  2. Step 2: Convert to fraction form
    104,724.66/144,520.65 = 56,978.35/x
  3. Step 3: Cross multiply
    104,724.66x = 144,520.65 × 56,978.35
  4. Step 4: Simplify right side
    104,724.66x = 8,234,548,177.93
  5. Step 5: Solve for x
    x = 8,234,548,177.93/104,724.66
  6. Step 6: Final answer
    x = 78,630.46

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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.