Home / 104,544.90-144,271.20-56,798.64

Finding the Fourth Proportional to 104,544.90, 144,271.20 and 56,798.64

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Solution

The fourth proportional to 104,544.90, 144,271.20 and 56,798.64 is: 78,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,544.90 : 144,271.20 = 56,798.64 : x
  2. Step 2: Convert to fraction form
    104,544.90/144,271.20 = 56,798.64/x
  3. Step 3: Cross multiply
    104,544.90x = 144,271.20 × 56,798.64
  4. Step 4: Simplify right side
    104,544.90x = 8,194,407,951.17
  5. Step 5: Solve for x
    x = 8,194,407,951.17/104,544.90
  6. Step 6: Final answer
    x = 78,381.71

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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.