Home / 104,475.53-144,176.77-56,728.86

Finding the Fourth Proportional to 104,475.53, 144,176.77 and 56,728.86

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Solution

The fourth proportional to 104,475.53, 144,176.77 and 56,728.86 is: 78,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.53 : 144,176.77 = 56,728.86 : x
  2. Step 2: Convert to fraction form
    104,475.53/144,176.77 = 56,728.86/x
  3. Step 3: Cross multiply
    104,475.53x = 144,176.77 × 56,728.86
  4. Step 4: Simplify right side
    104,475.53x = 8,178,983,800.58
  5. Step 5: Solve for x
    x = 8,178,983,800.58/104,475.53
  6. Step 6: Final answer
    x = 78,286.12

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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.